Mark Rober was one of the 11 million Americans who fell victim to package theft, but unlike most victims, he had a plan for when the robbers tried to strike again. Rober was first alerted to the package thieves by his home security system. He knew a package had been listed as delivered, but it never arrived. He checked his home security footage and found that a couple had stolen it right off his front step. "If you've ever been in a situation like this, you just sort of feel violated," said Rober. When he brought the security footage to...