Jacksonville’s sheriff says a white gunman who killed three people at a Dollar General store was racially motivated and hated Black peopleonline form or call 651-646-5555© KSTP-TV, LLC A Hubbard Broadcasting CompanyJacksonville’s sheriff says a white gunman who killed three people at a Dollar General store was racially motivated and hated Black peopleonline form or call 651-646-5555© KSTP-TV, LLC A Hubbard Broadcasting Company