The Butterfly Effect 3: Revelations (2009) on Netflix

Plot summary

Elizabeth Brown tells Sam Reide she has found a diary that belonged to her murdered sister Rebecca. Lonnie Flennons is awaiting execution for the killing, and Elizabeth is convinced he is innocent. She wants Sam to find whoever was actually responsible. Sam's power lets him revisit moments from his own lifetime, his mind entering his younger body, and he assists the police while posing as a psychic. His sister Jenna watches over his body during his trips. Goldburg, the man who taught him, warns him never to alter his own past and never to leave his body unattended. Sam agrees to help Elizabeth and returns to the night of Rebecca's death.