Police in Savannah find a recently released convict in possession of marijuana; officers in Sacramento County, Cal., assist in the pursuit of a domestic-violence suspect; a cop in Lafayette, La., pulls over a traffic violator who admits to taking drugs.

In Lafayette, La., a woman claims a man threatened her with a gun, and twin sisters accuse their sibling's boyfriend of choking her; in Hillsborough County, Fla., an officer responds to a hit-and-run accident involving a driver who appeared intoxicated.