A Niagara Falls native, Theresa was working as a sales manager at the Rio Hotel in Las Vegas when she was attacked and killed inside her Summerlin home.

Police and investigators have diligently searched for her killer for the past twenty years. Despite many promising leads, including the killer's DNA, they have yet to solve her murder.

For twenty years, Theresa's loved ones have honored her memory and continued the fight for justice for Theresa.

Theresa Insana’s life was cut short at the very young age of 26 in 2004.

Her case is still UNSOLVED.

We are creating this documentary to share the details of Theresa's case with the public. Someone out there knows something and the right tip could lead investigators to Theresa's killer.