The Tangipahoa Parish Sheriff’s Office (TPSO) is asking for the public’s help in its investigation of a drive-by shooting over the weekend that killed a teenager.Around 2am on Sunday, Feb. 22, TPSO received reports of shots fired on the I-55 northbound entrance ramp at University Avenue. Deputies arrived to find two vehicles pulled over on the on-ramp with one of the drivers, 18-year...