Investigators say a group of five people robbed a Loomis armored car at Gordon Food Service in the 2300-block of 173rd Street.
If you recognize any of the people in the photos, you should call the FBI.
The Lansing incident was one of three armored truck robberies in the south suburbs and Chicago Wednesday.
The first robbery occurred in Calumet City around 9:35 a.m. as the Brinks truck was parked in front of Pete's Fresh Market in the 1900-block of Sibley Blvd.
FBI releases photos of suspects in suburban Brinks armored truck robbery
The second incident was in Lansing.
Customers duck for cover, witness armored truck driver robbed in Orland Park
The third robbery was at 31st and Wallace in Chicago's Bridgeport neighborhood at a currency exchange. Chicago police said around 1:30 p.m. a Brinks truck was parked across the street when a Brinks employee was coming out of the exchange and getting into the truck. A man followed him, showed a gun, jumped in the truck and grabbed items before taking off.
It is not yet known if the three robberies are connected.
INTERACTIVE SAFETY TRACKER Track crime and safety in your neighborhood