In New York City, after a 15-year-old boy's murder, surveillance cameras capture both the attack and the killers; when someone guns down Timothy Moriconi on a Baltimore street, police turn to a neighbor's surveillance system to crack the case.

In Dallas, gunshots kill a man on the Fourth of July, and detectives turn to a Real Time Crime Center to find the truth; when the smoke clears from a raging fire in Washington, police discover that arson turns to murder.

A shooting in Mississippi leaves a man fighting for his life, and police must use gunshot detection technology to track the shooter before he strikes again; in South Carolina, RTCC cameras capture a deadly bar brawl.

When a shooting spree turns deadly in Natchez, MS, detectives turn to city-run cameras to identify suspects; in Utah, a missing person's case becomes a murder investigation, and police rely on a Real Time Crime Center to find the killer.

Surveillance cameras in Toledo, OH, capture a drive-by shooting that rips a family apart when a 3-year-old boy dies; Jonesville, LA, a nightclub shooting of a police officer's son leads to a manhunt across state lines.

In New York City, surveillance cameras help track down a trio of bandits after a daring heist of a Pay-o-Matic in Queens; in Colorado, a makeshift Real Time Crime Center helps solve the murder of 27-year-old Andrew Jenicek outside a restaurant.