Would be wise to scour the entire area with bomb sniffers just in case there are other possibilities.
https://nypost.com/2015/03/29/weatherman-underground-bomber-unmasked-as-city-schoolteacher/
The “bomb guru” for the terrorist group the Weather Underground never served a day in jail — but he did spend decades teaching in New York City classrooms, a new book reveals.
And he’s unapologetic about his past, according to author Bryan Burrough.
“Ron is proud of what he did,” he told The Post.