Mike T in MN

can anyone help? This has been a recurring problem, truck battery is drained. It has been tested no less than 4 times for parasitic drain, battery etc....... I charged the battery last night and this morning it wouldn't start, just dead, dash all lit up, alerts popping up, radio working, when I closed the door the dash was still all lit up, radio wouldn't turn off, no ignition...locked the doors and was still lit up inside.....HELP!! Mike