of course the family is going to complain, it's what they do. completely justified shooting.
"stand your ground" doesn't apply here. Fear of a forcible felony does.
You're allowed to shoot if a forcible felony is being committed. bad guy pointing a gun at him was a forcible felony.
SYG is actually very rarely claimed - because once you pigeonhole yourself, if you lie about anything, you're screwed. Zimmerman claimed it, then abandoned it, once he realized there was no way to chase someone 2 blocks then suddenly "stand your ground" lol.
This is a legal shoot. Sucks for teh bad guys' family but hey, an 18-year old robbing a store and pointing guns at people, that's a death sentence in Florida.