“Truth and Lies: THE MURDER OF LACI PETERSON” (9 P.M., ABC): This two-hour special

“Truth and Lies: THE MURDER OF LACI PETERSON” (9 P.M., ABC): This two-hour special features new reporting and interviews, and previously unseen excerpts from Scott Peterson’s pre-arrest interview. It delves into the stunning 2002 murder and trial.

“Better Things” (10 p.m., FX): It’s the season 2 premiere of this raw comedy about Sam Fox (Pamela Adlon), a single, working actor with no filter raising her three daughters in Los Angeles. She’s mom, dad, referee and the cops. Sam also watches out for her mother, an English expatriate, who lives across the street.

TV listings, D3