Photos: Crime scene at the Melgar home

Sandra Melgar was convicted of murdering her husband, Jaime "Jim" Melgar, the night they celebrated their 32nd wedding anniversary in December 2012. Why are there so many questions about her guilt?

Provided by Harris County District Attorney's Office

Sandra Melgar outside her home after she was found tied up in her closet and her husband, Jaime "Jim" Melger, was murdered.

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Sandra Melgar's left arm the night she was found tied in her bathroom closet.

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A bruise on Sandra Melgar's left bicep.

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A bruise on Sandra Melgar's left bicep the night she was found tied up in a closet and her husband, Jim, was found dead in his bedroom closet.

Provided by Harris County District Attorney's Office

A bruise on Sandra Melgar's arm the night she was found tied up in her bathroom closet and her husband was found dead in his bedroom closet.

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A photo of Sandra's left hand the night Jim was found dead and she was found tied up in her closet.

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Sandra Melgar's left hand the night she was found tied up in her bedroom closet and her husband, Jim, was found dead.

Provided by Harris County District Attorney's Office

Police made note of a small scratch on Sandra's left hand.

Courtesy of Harris County District Attorney's Office

Investigators said this was the knife used to kill Jim Melgar.

Courtesy of Harris County District Attorney's Office

None of Sandra's blood or DNA was found on the knife.

Courtesy of Harris County District Attorney's Office

Dried blood on the knife that investigators said was used to kill Jim Melgar. The knife was found submerged in water in the Melgar's Jacuzzi.

Courtesy of Harris County District Attorney's Office

Dried blood on the knife that investigators said was used to kill Jim Melgar. The knife was found submerged in water in the Melgar's Jacuzzi.

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Knives from a kitchen drawer in the Melgar's kitchen.

Courtesy of Harris County District Attorney's Office

A drawer filled with utensils in the Melgar's kitchen.

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Dried blood on the knife that investigators said was used to kill Jim Melgar.

Courtesy of Harris County District Attorney's Office

None of Sandra's blood or DNA was found on the knife.

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Sandra Melgar's defense team said blood found on the handle of Jim's safe in his closet was never tested.

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This red rope was found laying across Jim Melgar's body. Jim was found stabbed to death in his bedroom closet.

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This multi-colored scarf was used to tie Sandra Melgar's feet and a purple tie used to bind her arms.

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A pillow sham in the bathroom that detectives said Sandra Melgar used to pull a chair under her bathroom closet door.

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A multi-colored scarf used to bind Sandra Melgar's feet. Sandra was found in her bathroom closet with her arms and feet tied up the night of her husband's murder.

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A look inside the Melgar's bathroom: the Jacuzzi to the left and the chair that was propped under the closet door at the top.

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A tub of strawberries and whipped cream sitting on the edge of the Jacuzzi in the Melgar's master bathroom.

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The knife was found submerged in water in the Melgar's master bathroom Jacuzzi.

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Crime scene investigators found a white blouse, a green towel and the knife used to kill Jim Melgar submerged in the Jacuzzi in their master bathroom.

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A look inside the Melgar's bathroom, where Sandra Melgar told detectives they spent part of the evening celebrating their 32nd wedding anniversary.

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A gray telephone cord used to bind Jim Melgar's feet.

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Crime scene investigators found a piece of tape on Jim Melgar's white towel in his closet.

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All of the blood at the crime scene was found in the master bedroom, the majority of it coming in Jim Melgar's bedroom closet.

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Jim Melgar's nightstand next to his bed.

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Blood was found on the front of a wooden chair that sat next to the Melgar's bed.

Courtesy of Harris County District Attorney's Office

Elizabeth Melgar Rose, Jim and Sandra's daughter, said this wooden chair was used so their dogs could jump on the bed and wasn't out of place, as the prosecutor said.

Courtesy of Harris County District Attorney's Office

If you look at the blue towel, you can see not only blood spatter but also dog hair.

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Blood-spatter expert Celestina Rossi can't place Jim in the chair, but believes he was in the closet when an artery was cut near his thumb that resulted in spatter on the chair.

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Drippings of blood stained the cushon of the wooden chair next to the Melgar's bed.

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The family said this white stool was kept in Jim Melgar's closet so he could change his shoes.

Courtesy of Harris County District Attorney's Office

Prosecutor Colleen Barnett believes this is the chair Jim Melgar was sitting in when he was first stabbed.

Courtesy of Harris County District Attorney's Office

A white medical stool found at the foot of the Melgar's bed was also stained with blood.

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Sandra Melgar's black purse and red wallet appear to have been rummaged through on top of her bed.

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Sandre Melgar's nightstand next to the bed.

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Detectives said there were valuables left behind, such as credit cards.

Courtesy of Harris County District Attorney's Office

Dressers drawers in the Melgar's master bedroom appeared ransacked, but investigators said on closer inspection contents inside didn't appear disturbed.

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Sandra's daugther, Lizz, said there were perscription pills missing, such as hydrocodone and phenobarbital.

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Another look items strewn across the bed inside the Melgar's master suite.

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Jim Melgar's drink was found on the treadmill in the master bedroom.

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The defense team said there was unidentified male DNA on the drawer handles in the master bedroom.

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A view walking into the Melgar's master bedroom. You can see Sandra's brown boots in front of the treadmill.

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A white necklace sitting on top of a dresser in the Melgar's front bedroom, which used to be their daugther's room.

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A view walking into the Melgar's bedroom.

Courtesy of Harris County District Attorney's Office

An open jewelry box on a dresser in the Melgar's front bedroom.

Courtesy of Harris County District Attorney's Office

A drawer filled with video games in the front bedroom, what was once Lizz's old bedroom. Lizz told police that there were games missing.

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Dresser drawers opened in the front bedroom of the Melgar's home.

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A hallway that leads into two guest bedrooms in the front of the Melgar home.

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A hallway that leads into two guest bedrooms in the front of the Melgar home.

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A drawer pulled out to an end table in one of the Melgar's guest bedrooms.

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A couple of suitcases next to an end table and a futon in a guest bedroom in the Melgar's home.

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Another view of a guest bedroom in the Melgar's home.

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Another look inside one of the Melgar's guest bedrooms.

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The home office inside the Melgar's house.

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Lola, Sandra Melgar's Pomeranian, in the home office. Lola was inside the house the night Jim was killed.

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The Melgar's living room.

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The Melgar's living room.

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The handle to the Melgar's back door. Sandra's defense team claims intruders broke into the home the night Jim died, possibly through the back door.

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The lock to the Melgar's back door. Sandra's defense team claims intruders broke into the home the night Jim died, possibly through the back door.

Provided by Harris County District Attorney's Office

The Melgar's back door. Sandra's defense team claims intruders broke into the home the night Jim died, possibly through the back door.

Provided by Harris County District Attorney's Office

The Melgar's back door. Sandra's defense team claims intruders broke into the home the night Jim died, possibly through the back door.

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The Melgar's breakfast room and back door.

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The Melgar's kitchen.

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The Melgar's kitchen.

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Sandra's car parked in the garage with a garage door open. Sandra told detectives that she and Jim never used that garage door except when he was working in the yard.

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The door from the laundry room leading into the garage. This is the door where Herman Melgar, Jim's brother, entered the house the day after Jim's death.

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A view into the laundry room from the Melgar's dining room.

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A mop and bucket found inside the Melgar's dining room. Sandra said she kept it out because she was regularly cleaning up after the four dogs, two of which were puppies.

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A mop and bucket were found in the Melgar's dining room. When questioned about it, Sandra told police that she used it to clean up after the family's four dogs, two of which were puppies.

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A photo from the front walkway leading into the dining room, to the left, and the living room.

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The Melgar's front door. Crime scene investigators found no signs of break in here.

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The Melgar's front door. Crime scene investigators found no signs of break in here.

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A photo of the Melgar's front door from the entryway outside. Crime scene investigators found no signs of break in here.

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A photo of the Melgar's front door from the entryway outside.

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A recycling bin in the Meglar's garage with an old laptop.

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The right side of the Melgar's garage, which was found open the day after Jim's murder, was filled with bags of leaves, bikes, and shelves holding various outdoor supplies.

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Sandra's car parked on the left side of the garage. Sandra and Jim used her car to drive to dinner the night they celebrated their 32nd wedding anniversary.

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The outside of the Melgar home on Dec. 23, 2012, the day Jim Melgar was found dead.

Provided by Harris County District Attorney's Office

The right side garage door was opened the day after Jim Melgar was murdered. Sandra, his wife, said they never used that side of the garage except when Jim was working in the yard.

Provided by Harris County District Attorney's Office

The outside of the Melgar home the day he was found dead. Jim's black truck was still parked in the driveway.

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Police shut down Jim and Sandra's street the day he was found dead in his closet and Sandra was found tied up inside her closet on Dec. 23, 2012.

Provided by Harris County District Attorney's Office

The outside of the Melgar home on Dec. 23, 2012.

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Photos: Crime scene at the Melgar home

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