Complex sentence: With time running out and Kevin losing blood, Frank orders Mike's torturing to make sure they get him to make up a story, and Officer Jennings (Jeff Gibbs) who is a former member finds out about everything but decides to stay quiet.
Split into simpler sentences: With time running out and Kevin losing blood, Frank orders Mike's torturing to ensure his cooperation. At the same time, Officer Jennings (Jeff Gibbs), who is a former member, discovers Kevin but decides to stay quiet.