need help badly on this trigger

here is the situation
trigger 1
event :player 1 type p3 attack
condition: player 3 left the game
action: add all units of player 3 to P3(unit group)
pick all unit of p3 and send order to attack to north (region)
trigger 2
event every 5 sec
condition: player 3 left game
action : creat a footman at a selected barrack of player 3

the problem is the trigger only work for the units that player 3 left over when he lef the game. the new unit from the barrack does not move when player 1 say p3 attack. however, the trigger stiill has an effect on the old unit left by player 3.

can anyone help me fix it??? please?????

Heres What You Do

Add Another Trigger
Event:
Every 2 Seconds
Action:
If(Player1Red SlotStatus = to is not playing)Then(Pick Every Unit in units beloning to player1 Red and do add picked unit to unitgroup p3)

Map Is looking Great Dude! Its gonna be a hit i can tell!