Robin Williams’ widow shares his battle with Lewy body dementia

For the first time since actor Robin Williams’ tragic death in August 2014 at the age of 63, his widow, Susan, is speaking out, telling People magazine that she believes that depression was not to blame for his suicide – rather it was Lewy body dementia, a disease diagnosed after his death. NBC’s Joe Fryer reports for TODAY.Nov. 4, 2015