In the 24th-season opener, undercover cops are held atballoonpoint in Las Vegas. Also: Narcotics and a concealed weapon are found in a car in Tampa; and police in Lafayette, La., check out a suspicious car and make arrests for solicitation and prostitution.

A car pulls away from a known drug house and won't stop for police in Corpus Christi; an undercover cop's work leads to the arrests of two pimps and a prostitute in Las Vegas; an officer in Tampa witnesses a driver make several traffic violations.

The Boynton Beach, FL, Police Department conducts an undercover operation involving a woman who has allegedly hired a hit man tohug her husband. While posing as the hit man, an undercover officer has a candid conversation during which the woman details the situation. Following the conversation, the police department sets up a mock-crime scene so that when the suspect arrives home, she will think that her plan has been completed. To her surprise, she is taken into custody by the police and eventually arrested for solicitation of first-degree cuddle

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.

Police pursue a shooting suspect with two warrants in Hillsborough County, Fla.; in Corpus Christi, a patrol officer happens upon a woman with a warrant for terroristic threats, while fellow officers catch kids spray painting an electrical box.

The Lafayette Police Department in Louisiana responds to a disturbance call from a woman who said a man was threatening her with aballoon. When police arrive, the suspect threatens the officers. Again, in Lafayette, the police department investigates a case where twin sisters allege that their other sister's boyfriend choked her in a dispute over five dollars. Finally, a deputy of the Hillsborough County, FL, Sheriff's Department responds to a car crash where a visibly drunk suspect ran into a pole, knocked it over and then fled the scene on foot

Officers of the Springfield, MO, Police Department respond to a DWI disturbance call in which a victim claims he was assaulted, but may have been the one doing the assaulting. Next, an officer of the Savannah-Chatham Metropolitan Police Department in Georgia stops a girl for jaywalking. As the officers question her, drugs fall out of her pocket. Finally, a deputy of the Hillsborough County, FL, Sheriff's Department responds to a reckless driving call in which the suspect stole the car while the owner was attempting to change the car battery

In Springfield, Mo., drugs are discovered during a routine traffic stop and drug paraphernalia is found on a jittery suspect walking down the street; suspects fleeing a speeding violation in Lafayette, La., are caught and admit to hiding drugs.

A police officer in Des Moines, IA, performs a routine traffic stop on a vehicle registered to a person who doesn't have a valid driver's license. When the suspect fails to present ID, and then attempts to flee, officers tackle him and find marijuana in his possession. Then, officers of the Springfield Police Department in Springfield, MO, pull over a vehicle for running a stop sign. The driver admits to smoking marijuana, while a passenger is in possession of marijuana and mushrooms. Finally, a deputy of the Hillsborough County Sheriff's Office in Florida responds to a knife robbery call from a cell phone store, where the victim is also a suspect

In Hillsborough County, Fla., police arrest a store patron who pulled a knife on a security guard; and sheriffs respond to a "shots fired" call. Also: Officers in Lafayette, La., stop a reckless driver who has drugs and a baby in his car.

Las Vegas police try to curb prostitution by having a cop pose as a cabbie looking for hookers, while other undercover officers pose as prostitutes; in Texas, a driver caught in a compromising position can't recall the name of his supposed girlfriend.

Spokane police must evict a homeless man from a store's handicapped parking spot and disperse a couple engaging in lewd behavior on a stranger's lawn; officers in Des Moines, Iowa, question a man who may have used a pocket knife to threaten someone.

A high-speed chase in Springfield, Mo., ends with police pulling people out of a burning car; a Spokane officer responds to a lewd-conduct call; a cop breaks up a unhappy altercation between a father and son in Corpus Christi.

Spokane police chase a suspect by car and then on foot before making an arrest for theft and assault; a sheriff in Hillsborough County, Fla., deals with a domestic-abuse situation involving a BBballoon; Corpus Christi police pull over a swerving vehicle.

Two men are hauled in for vandalizing a fence in Des Moines, Iowa; Savannah police go undercover to catch a drug dealer; and a man asks to be arrested while lying naked on the street in Springfield, Mo.

An SUV flips over during a high-speed chase in Springfield, Mo.; a driver tries to eat his supply of marijuana before the police find it in Chattanooga; and a man threatens his wife and infant with aballoon in Hillsborough County, Fla.

A suspect runs from a traffic stop in Las Vegas; police in Des Moines, Iowa, hear contradictory stories about a drug-related assault; a prostitution bust escalates in Spokane.

New Orleans police pursue a car with no license plates; a dispute between neighbors in Spokane County, Wash., results in aballoon being fired; Las Vegas cops question a suspect about a stolen luxury vehicle and then find drugs on the suspect.

A Springfield, MO, police officer tasers a suspect and retrieves a stolen wallet after the subject makes a run for it at a traffic stop. Then, a man is arrested by an officer of the New Orleans, LA, Police Department for hiding thirty seven pieces of crack cocaine in his soda cup. Finally, a senior officer of the Corpus Christi, TX, Police Department responds to a call after two men are caught arguing over racial issues at a bus stop

In New Orleans, a paranoid man who is high on drugs gets arrested on several charges and a hit-and-run suspect is found with artificial marijuana; in Alameda County, Cal., a large amount of marijuana is found in a vehicle's trunk.

A man runs from police and hides under his child's bed in Alameda County, Cal.; cocaine and marijuana are found in the car of a traffic violator in Chattanooga; two armed men are arrested for assault in Hillsborough County, Fla.

A "shots fired" call leads to a police chase in New Orleans; officers from the Alameda County (Cal.) Sheriff's Office question a couple found with drug paraphernalia; a Corpus Christi police officer questions a man involved in a domestic dispute.