Full Coverage
Michigan security guard killed in mask dispute; suspect said he 'disrespected' them
By Corky Siemaszko & Ben Kesslen
Family Dollar security guard killed after telling shopper to wear mask
By Meredith Spelbring
Security guard at Flint Family Dollar killed after refusing customer
By Meredith Spelbring
Three family members charged in shooting death of security guard who told a customer to put on a face mask
By Theresa Waldrop, Alec Snyder & Mirna Alsharif