Comment by lukan

Hm, but they maybe know when it is safe to do so, because they immediately recognize the device and know there is no mechanical fuze that can go off by handling it rough.

Because that can happen. And if they know, it still can go wrong.

From TFA:

"In June 2010, three bomb-disposal experts in Göttingen, Germany, were killed by a 500kg American bomb found beneath the site of a new sports arena. "

https://www.theguardian.com/world/2010/jun/02/germany-bomb-w...