When Sgt. Valentino Demps of the Jacksonville, FL, Sheriff's Office supervises a buy-bust sting designed to capture unsuspecting drug dealers in an area known for high drug activity, a suspect takes off on foot after completing a drug deal with undercover agents, and another sting features a suspect quickly taken into custody after he sells drugs to the undercover agent. Additionally, Officer Joe Luiz and Officer Troy Pahlke of the... see more