Authorities said Thursday that they suspect at least 14 baggage handlers at Los Angeles International Airport of stealing thousands of dollars in electronics, jewelry and other high-priced items from bags and other property at the airport.

The Transportation Security Administration recommended that armed law enforcement officers be posted at airport security checkpoints and ticket counters during peak hours after a review of nearly 450 airports nationwide after last year’s fatal shooting at Los Angeles International Airport.

The Department of Homeland Security issued a bulletin Wednesday warning airlines of possible attempts to attack passenger jets using explosives packed in shoes, Fox News reports. The threat is described as being unrelated to the Sochi Olympics.

Just minutes before a gunman opened fire in Los Angeles International Airport last fall, killing a TSA security screener and wounding three other people, the two armed security officers assigned to the area left for breaks without informing a dispatcher as required, The Associated Press reports.

These exit pods would temporarily detain passengers before they are allowed to leave, while reducing or eliminating the need for a TSA or security officer at the terminal exits, Daily Mail reports.