[odawg]

Power tools make a very loud noise, tremendous vibrations, cutting through steel and concrete. How on earth could they evade detection? You talk about an inside job...

[the_individual2014]

This sounds straight out of The Shawshank Redemption.

[Cementjungle]

Power tools make a very loud noise, tremendous vibrations, cutting through steel and concrete. How on earth could they evade detection? You talk about an inside job...

This is why they outlawed silencers for power tools