Do gangs ever use machine guns or bazookas in acts of crime?
There are all sorts of fully automatic weapons ("machine guns")
available illegally on the street. But bazookas aren't, at least
not like the one used by the U.S. in WWII. Rocket Propelled Grenade
(RPG) launchers, which are modern-day bazookas, are another kettle
of fish, however. Although I am not aware of any domestic gangs
gaining possession of them and using them in local crimes, it is
not unimaginable that they could. After all, if the insurgents in
Iraq can get their hands on them, a determined gang might be able
to do the same here.