A suspect has been arrested in connection with the murder of 'American Idol' music supervisor Robin Kaye and her husband Thomas Deluca.

What to know about the killings of an ‘American Idol’ music supervisor and her husband in LA A 22-year-old man was arrested in connection with the killings.

“Robin has been a cornerstone of the Idol family since 2009 and was truly loved and respected by all who came in contact with her,” an “American Idol” spokesperson said in a statement Tuesday.