Doh! 

A boneheaded criminal appears to have greatly increased his chances of capture after forgetting to put his mask on.

Surveillance video from a Washington, D.C., 7-Eleven shows the black male suspect stroll into the store unmasked, holding a gun. 

After he began to demand money from the clerk, the man realized his error and pulled the mask down over his face. 

Police are reportedly still looking for the suspect, who ran off with some cash in the 3am robbery last week.

Watch the video above.


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