ATLANTA (AP) — A Transportation Security Administration screener has been fired after authorities say she missed a loaded handgun in a passenger's carry-on bag at Atlanta's airport. WSB-TV (http://2wsb.tv/2nkF2MM ) reported Thursday that Atlanta police say passenger Katrina Jackson of Hoover, Alabama, was looking for her passport inside her purse and noticed her .38-caliber handgun Sunday while at the gate at Hartsfield-Jackson Atlanta International Airport.