You may know about a new app called Pokemon Go.

This has brought people together and helped them exercise.

However, law enforcement warns of some unintended side effects.

For example, three Missouri men allegedly targeted players and then robbed them at gunpoint.

Lt. Katie Heck from Punta Gorda Police tells WFTX-TV that when playing the game, travel with a group of friends.

She also suggests parents establish boundaries with their children.