Just two incidents on the most recent Bethesda District crime summary from Montgomery County Police, but one serious one from Westfield Montgomery Mall:
An armed robbery occurred at Montgomery Mall located at 7101 Democracy Boulevard in Bethesda on Thursday, 2/21 at approximately 7:30 p.m.  The suspect threatened the victim with a weapon and obtained property.

Suspect:  B/M, dreadlocks; B/M, 20-24, 6′-6’2″; B/M, 20-24; B/M, 20-24, dreadlocks
Some one got into the Kraze Burger on Bethesda Row for a late-night burglary:
A commercial burglary occurred at Kraze Burger, 4733 Elm Street in Bethesda overnight from Sunday, 2/24 to Monday, 2/25.  No forced entry; property taken.