Complex sentence: Ellen Forrest (Victoria Catlin), who suspects that her husband Jack (Bruce Campbell) may be the Maniac Cop, follows him to a motel, where she catches him in bed with a fellow officer, Theresa Mallory (Laurene Landon).
Split into simpler sentences: Ellen Forrest (Victoria Catlin), who suspects that her husband Jack (Bruce Campbell) may be the Maniac Cop, follows him to a motel. There she catches him in bed with a fellow officer, Theresa Mallory (Laurene Landon).