This is so sad to hear. Jacqueline Falk, the adopted daughter of Columbo actor Peter Falk, has tragically died. According to reports from the Los Angeles County Medical Examiner obtained by multiple outlets, the 60-year-old was found deceased in her Los Angeles apartment on Monday. The manner of her death was ruled a suicide. The investigation is still ongoing. Heartbreaking. Related: Martin Short's Daughter Dead By Suicide At 42 Jacqueline was one of two adoptions Peter had with his first wife, Alyce Mayo.