A guard dog would help in identifying threats as well...
My 100lb female German shepherd can wake me up pretty darn easy if somethings up.
If the key-on-a-lightstick method is feasable then do it. If not, then boot the door.
Sgt. of Marines, 5th Award Expert Rifle, 237/250
Expert Pistol, 382/400. D Co, 4th CEB, Engineers UP!!
If you start a thread, be active in it. Don't leave us hanging.
OEF 2011 Sangin, Afg. Molon Labe