Authorities in Cypress, Texas, are investigating a triple homicide after the bodies of Kelly Masciarelli, her son Kolin Foster, and his girlfriend Cameryn Richard were found in a burning home on Plains River Drive. The fire, which broke out around 7 a.m. on Sunday, is believed to have been intentionally set using an accelerant. Investigators determined that the victims were deceased before the fire started and showed signs of trauma and foul play. The Harris County Sheriff’s Office is treating the case as a homicide and is reviewing video surveillance and other leads to identify potential suspects. Neighbors described the victims as friendly but reserved, and authorities are asking anyone with information to contact the Sheriff's Office or Crime Stoppers.