That looks more like it was cracked open with a prybar or hammer. I think when they blow up suspicious packages they use a big enough bang to essentially disintegrate and scatter a potential explosive before it has a chance to go off.... Randy would have got the remains in a baggie.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8