Watch Cold Justice Saturdays at 8 p.m. on Oxygen. Watch full episodes on the Oxygen App. That's great news for viewers, as Season 7 of the groundbreaking Wolf Entertainment series was Oxygen’s ...

Kelly Siegler speaks to Det. Brian Martin about her deep interest in working cold cases during her career as a prosecutor.

For family members haunted by the unanswered questions about what happened to a loved one, there’s one cold case specialist they want on their side. Watch Cold Justice Saturdays at 8 p.m. on Oxygen.

Cold Justice — the true crime investigative series that follows Kelly Siegler and has led to 63 arrests and 28 convictions — is returning to Oxygen soon for Season 8. That's great news for viewers, as ...