gps tracker & pull Out Dead Bodies from car problem

hi

i need help i tried alot of things but none of them working

1 i need help whit pull Out Dead Bodies from car

also i have gps tracker script and i want to make it to show marker to all of player in group

[_unit] spawn {

{

_veh = _this select 0;

_markerName = format["%1_gpstracker",_veh];

_marker = createMarkerLocal [_markerName, visiblePosition _veh];

_marker setMarkerColorLocal "ColorYellow";

_marker setMarkerTypeLocal "Mil_dot";

_marker setMarkerTextLocal "GPS Tracker "+getText(configFile >> "CfgVehicles" >> typeof _veh >> "displayName");

_marker setMarkerPosLocal getPos _veh;

}forEach units group player;

};