When people say stupid things like "well if you don't do anything wrong, you have nothing to worry about" you can show them this video. This could happen to any one of us on any given day. Sometimes it's because the SWAT team simply got the address wrong. In this case, it looks like perhaps someone lied to police accusing this woman's son of having a gun and stealing. So a false accusation is all it takes to get the police to destroy the home of someone you don't like.
Distturbing Results of SWAT Transparency Bill
SWAT Raids House Because Man Failed to Passowrd Protect His Computer
SWAT Get Medals for Wrongful Home Invasion
6 Completely Legal Ways the Cops Can Screw You