LOL! A device..? You mean a neon handbill? Please.. Any idiot outside of Boston could have recognized it wasn't a bomb.
You are absolutedly right, we know what a bomb looks like.
oh wait, not a pair of gym shoes
During the day you could not see the character. Even so, you see a circuit board, wire and batteries hanging from a bridge span and you wouldn't be concerned?
Then you are a dope.
"Oh, look that man wearing the towel around his head and an explosive belt has a smiley face button on his suicide tunic...He must be a nice fellow doing Gorilla marketing! Maybe he would like to come home for dinner and meet my virgin daughter!"
Boston's reputation as a city of morons remains strong! :-)
If I'm a jihadist I know what I'm using for my next bomb casing.
Sure if the lights were on, which they were not because it was Daytime. And they were under bridges and hig traffic areas.