Horrific pictures from the Bomb blast at Zaria, Kaduna State today

I just saw these pictures and its gory to say the least, why are people this wicked, a suicide bomber detonates her bomb where civil servants are doing verification exercise.. more photo after cut...

i complained when the government decided to withdraw check points, to me i saw it as loop hole to give these evil agents space to operate and regroup, the attacks have tippled over the past month and it is now a daily occurrence, please can we get our check points back, at least it serves as a deterrent, see the horrific pictures below, sent by a witness.
tatafonaija.