all night. four developments, go to wjla.com. prince george s county police are searching for a serial bank robber who has struck at least four times. the man has the teller a note with a very interesting threat. interesting, to say the least. you hear police say a robert a robber implied that he had a weapon. he is implying the latest robbery happened at about 12:30 today at this branch in clinton. the robber got caught on camera. you can see a thing to his disguises. a winter coat, and sunglasses. it is what he does that sets this guy apart. in each case, the suspect passes a note claiming that there will be a nuclear bomb explosion if she does not hand over cash. police are happy to report he has not made good on that spread. in each case, he has gotten his money and got no way. the notes has worked for times now. in district heights largo and clinton. he is believed to be 20 to 30 years old. police hope somebody recognizes him. he does not sound too smart to