Los Angeles Police Department officials said an arrest was made Tuesday in the killings of "American Idol" executive Robin Kaye and her husband, Thomas Deluca, who were found dead Monday in their Encino home.

LAPD officials have made an arrest in the shocking double homicide that police believe occurred when the couple returned from vacation to find the alleged killer in the midst of a robbery

Though the house was well fortified, police said, the suspect managed to get in through an unlocked door. He allegedly confronted the couple when they entered.