New York man built and planted bombs on Williamsburg Bridge and Manhattan rooftops, authorities say - Michael Gann faces a maximum of 40 years in prison if he’s convicted

Michael Gann, 55, of Inwood, New York, was charged with manufacturing at least seven improvised explosive devices, prosecutors said on July 22.

A 55-year-old man was indicted Tuesday after creating and placing at least seven improvised explosive devices in different areas of New York City, including subway track on the Williamsburg Bridge and on a Manhattan rooftop,