Americans traveling to the Games this year should be vigilant of their surroundings, officials said.
We looked at stories from across America in the year since the shootings at Sandy Hook School to try to illustrate the scale of the problem.
The victim, a High Ridge store employee, left her purse in a shopping cart, according to the Jefferson County Sheriff's Office.
Police found the truck six days later, missing 142 cases of ICEE flavored syrup.
Crime reports from the Fenton precinct of the St. Louis County Police Department.
Crime reports from the Fenton precinct of the St. Louis County Police Department
While the thief made it outside with the cash, the Quick Stop owner retrieved his own gun and held the man until Jefferson County Sheriff's deputies arrived.
St. Louis County Police said Obie L. Peeples had his girlfriend and her friend rob the Valley Park restaurant while he was working.
Medications for pain, sleep disorders and panic disorders were taken, according to the Jefferson County Sheriff's Office.
A Fenton woman was sent to a nearby hospital in serious condition.
A report from the Missouri State Highway Patrol
The woman left her car window slightly open prior to the theft, according to police reports.
Fenton Police also confiscated marijuana, stolen clothing and a Jamaican passport.
The man was working down the street when the items went missing, according to the Jefferson County Sheriff's Office.
The owner had recently bought the truck, according to the Jefferson County Sheriff's Office.
A suspected stolen vehicle led St. Louis Police on a 20-mile chase on Thursday morning.
Reports from the Fenton precinct of the St. Louis County Police Department
A woman was offering "massages" out of the Rodeway Inn.
A High Ridge woman and Fenton women were taken to the hospital after being involved in separate car accidents last week.
Police believe the woman, an employee, filed a false police report.