Make your home security system like an onion, not an egg.

Layers upon layers are not only the best deterrent, but the best defense against break ins.

Reason: It is easy for a criminal to bypass a single line of defense. Multiple layers not only slow him, but serve as a means to alert you or your neighbors that someone is trying to break in. Doing these "layered walk-aways" makes it more difficult for a criminal to meet his criteria of quick and unobserved entry. If, like the tip of an iceberg, enough of these deterrents are visible, most of the time the would-be intruder will simply choose not to even try. If he does try, then the layers he did not see will impede him.

A good example is to have window contacts AND motion detectors for any electronic home security you might have - this may also depend on the type of windows you have.

Another good example of a layered defense is rosebushes outside the window, double-locked, barred and safety coated side windows and something difficult to climb over inside under the window.

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