The Butterfly Effect 3: Revelations (2009)

In The Butterfly Effect 3: Revelations, a man named Sam Reide possesses the ability to travel through time by reading the personal belongings of someone who died at a specific moment. When he discovers a diary that details a string of murders, he goes back in time to prevent them. As he delves deeper into the case, he realizes that the killer is always one step ahead of him, leading him to question his own sanity and how he is connected to the murders. With the lives of innocent people at stake, Sam must find a way to save them before it's too late.