Greg is an avid fan of Boozed Out. He has contributed quite a bit but here’s one worthy of posting. Is it really?
Some methods for getting through locked doors are:
1) Another method of forced entry is to use an automobile jack to force the frame around the door out of shape, freeing the latch or exposing it to the above methods. This is possible because most door frames are designed with a slight amount of “give”. Simply put the jack into position horizontally across the frame in the vicinity of the latch, and jack it out. If the frame is wood it may be possible to remove the jack after shutting the door, which will relock the door and leave few signs of forced entry. This technique will not work in concrete block buildings, and it’s difficult to justify an auto jack to the security guards.
2) use a screwdriver or two to pry the lock and door apart. While holding them apart, try to slip the lock. Screwdrivers, while not entirely innocent, are much more subtle than auto jacks, and much faster if they work. If you’re into unsubtle, I suppose a crowbar would work too, but then why bother to slip the lock at all?
3) Find a set of double doors. They are particularly easy to pry apart far enough to slip.
4) If the lock is occasionally accessible to you while open, “adjust” or replace the catchplate to make it operate more suitably (i.e., work so that it lets *both* fingers out, so that it can always be slipped). If you want, disassembling the lock and removing some of the pins can make it much easier to pick.
5) If, for some odd reason, the hinges are on your side (i.e., the door opens outward), remove the hinge pins (provided they aren’t stopped with welded tabs). Unfortunately, this too lacks subtlety, in spite of its effectiveness.
6) If the door cannot be slipped and you will want to get through regularly, break the mechanism. Use of sufficient force to make the first finger retreat while the second finger is retreated will break some locks (e.g., Best locks) in such a way that they may thereafter be slipped trivially, yet otherwise work in all normal ways. Use of a hammer and/or screwdriver is recommended. Some care should be used not to damage the door jamb when attempting this on closed and locked doors, so as not to attract the attention of the users/owners/locksmith/police/….
7) Look around in desks. People very often leave keys to sensitive things in them or other obvious places. Especially keys to shared critical resources, like supply rooms, that are typically key-limited but that everyone needs access to. Take measurements with a micrometer, or make a tracing (lay key under paper and scribble on top), or be dull and make a wax impression. Get blanks for the key type (can be very difficult for better locks; I won’t go into methods, other than to say that if you can get other keys made from the same blank, you can often work wonders with a little ingenuity) and use a file to reproduce the key. Using a micrometer works best: keys made from mic measurements are more likely to work consistently than keys made by any other method. If you us tracings, it is likely to take many tries before you obtain a key that works reliably. Also, if you can ‘borrow’ the cylinder and disassemble it, pin levels can be obtained and keys constructed.
8 ) Simple locks, like desks, can be picked fairly easily. Many desks have simple three or four pin locks of only a few levels, and can be consistently picked by a patient person in a few minutes. A small screwdriver and a paper clip will work wonders in practiced hands. Apply a slight torque to the lock in the direction of opening with the screwdriver. Then ‘rake’ the pins with the unfolded paper clip. With practice, you’ll apply enough pressure with the screwdriver that the pins will align properly (they’ll catch on the cylinder somewhere between the top and bottom of their normal travel), and once they’re all lined up, additional pressure on the screwdriver will then open the lock. This, in conjunction with (7) can be very effective. This works better with older or sloppily machined locks that have a fair amount of play in the cylinder. Even older quality locks can be picked in this manner, if their cylinders have been worn enough to give enough play to allow pins to catch reliably. Even with a well worn quality lock, though, it generally takes a *lot* of patience.
9) Custodial services often open up everything in sight and then take breaks. Make the most of your opportunities.
10) No matter what you’re doing, look like you belong there. Nothing makes anyone more suspicious than someone skulking about, obviously trying to look inconspicuous. If there are several of you, have some innocuous and normal seeming warning method (”Hey, dummy! What time is it?”) so that they can get anything suspicious put away. Don’t travel in large groups at 3 AM. Remember, more than one car thief has managed to enlist a cop’s aid in breaking into a car. Remember this. Security people usually *like* to help people. Don’t make them suspicious or annoy them. If you do run into security people, try to make sure that there won’t be any theft or break-ins reported there the next day…
11) Consider the possibilities of master keys. Often, every lock in a building or department will have a common master (building entrance keys are a common exception). Take apart some locks from different places that should have common masters, measure the different pin lengths in each, and find lengths in common. Experiment. Then get into those places you’re *really* curious about.
12) Control keys are fun, too. These keys allow the user to remove the lock’s core, and are generally masters. (A pair of needle nose pliers or similar tool can then be used to open the lock, if desired.)
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