Continuity mistake: When Jack drives to 18166 San Fernando Road he stops the car, gets out and leaves his phone in the car - you can see the green light of the phone's screen - he didn't reach for it. However, when Teri calls him, he has the phone in his pocket.
Continuity mistake: Near the end, the detectives give Hawkins the murdered woman's manuscript to read and compare. The stack of papers they give him is easily 300-400 pages thick and held together with a large binder clip. Moments later, in a fit of anger, Hawkins throws the manuscript in the air and papers fly everywhere. The problem is that he throws no more than 50 pages in the air.
Continuity mistake: When Bug speaks with the beautiful widow the second time, about performing a noninvasive autopsy on her husband, her long hair continually changes position in the shots that face her.