Thousands expected at memorial service for 3 slain Minnesota first responders

Thousands of law enforcement officers, firefighters and paramedics are expected to pack a Minnesota church Wednesday for a memorial service for three first responders who were gunned down in the line of duty

​ABC News: US Thousands of law enforcement officers, firefighters and paramedics are expected to pack a Minnesota church Wednesday for a memorial service for three first responders who were gunned down in the line of duty