Ace type locks (like those found on vending machines, bike locks,etc....)are being opened/bypassed by using a 20 cent Bic pen. The barrel of the pen with its cap removed, fit’s perfectly into the ace type lock. With very little effort or time the pen will both open and re-lock the lock.
E-mail me ShatteredShield@msn.com and I will send you a file showing how easily this can be done. Their will be impressioning marks left on the pen which will match the pins within the lock, so both pen and lock should be secured as evidence for forensic evaluation.