Shiro would be in jail for aggravated assault or illegal street fighting.

Lance would be in trouble for doing something immature and spur of the moment (drag queen at the wrong time)

Hunk would be arrested for harassment due to angrily criticizing random cooks at the restaurants he eats at.

Pidge would be in jail for hacking.

Keith would be in jail for aggravated assault with a deadly weapon.

Allura would be in trouble for impersonation and other minor infractions.

Coran would be in jail for making illegal weapons.

Lotor (?), Haggar and Zarkon would be probably in death row for manslaughter amongst other violent crimes.