Foreword

What if you forgot to lock your front door when you left the house today? In all likelihood, you’d come home and everything would be untouched, just as you left it. But what if that just happened to be the day an evildoer chose to wander down your street rattling door knobs? When he came to your door, he’d find it open. Now depending on his nerve and his evil intent, he might just open the door and leave it at that. Or he might come inside and start rummaging around. Other evildoers, seeing the door open, might stop in, too. Some would be looking for valuables. Others would be more interested in snooping into your personal business. Still others might use this as an opportunity to start doing business out of your house. You’d come home ...

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