Bipolar disorder

A bomb threat charge has been dropped against a man accused of placing a backpack with a rice cooker near the Boston Marathon finish line on the anniversary of the bombing Suffolk County district attorney's spokesman Jake Wark said Tuesday that based on the evidence the state could not prove that Kevin Edson communicated a clear threat with an explosive device...

The mother of a man arrested near the Boston Marathon finish line carrying a backpack containing a rice cooker on the anniversary of the bombings says her son has a mental disorder. Joie Edson tells The Associated Press her son Kevin ``Kayvon'' Edson has bipolar disorder...