Joe Finley is determined to find out who killed his wife.

The day Finley auditioned for the talent show America’s Got Talent in the fall of 2010 his wife Laura went missing, and was found dead in the Los Angeles hotel where they were staying and where he tried out for a coveted spot on the reality show.

EXCLUSIVE DOCUMENTS: America’s Got Talent Production Company Subpoenaed In Coonection With Murder

Despite an intensive investigation, police have not arrested anyone to date in connection with Laura’s murder.

In a new legal move, Finley’s high profile attorney Sean Macias has subpoenaed the show’s production company, asking for all video and photos of the day for all of the contestants, according to the documents obtained exclusively by RadarOnline.com.

The sister of Laura Finley, who was found dead in a Los Angeles hotel last weekend while her husband was trying out for America’s Got Talent, is proclaiming she was murdered.

EXCLUSIVE PHOTOS: See The Crime Scene

Jill Sutterlin took to her Facebook page claiming her sister’s death wasn’t an accident and funeral services are pending.

“Laura Louise Sutterlin Finley born 5-31-1962 Died 10-23-2010.. She was MURDERED we dont have all the details..Will post her services when arrangments have been made .. IN LOVING MEMORY ... SISTERS ARE FOREVER.. I LOVE YOU LAURA !!!” the post read.

Laura, 48, died after falling to the bottom of a stairwell at the Millennium Biltmore Hotel in downtown Los Angeles on October 23.