SPRING, Texas -

Investigators released surveillance video Friday of two armed men who robbed customers and employees at a Denny's restaurant in Spring.

The robbery happened on I-45 the North Freeway near Cypresswood Drive on Tuesday.

One of the robbers waved his gun at customers and took their wallets and cell phones.

Investigators believe these crooks are behind at least two other Denny's robberies in the Houston area.

If you recognize the thieves in the video or have any information, you're asked to call Crime Stoppers at 713-222-TIPS (8477).