Our sages would likely hold American Jews culpable for the sins of Israeli Jews—and the reverse.
But in this case, police and protestors alike are culpable for the mayhem on the streets.
The opposition is afraid of the past because its revered members are culpable for some of the most agonizing memories it evokes.
late 13c., coupable, from Old French coupable (12c., Modern French coupable), from Latin culpabilis "worthy of blame," from culpare "to blame," from culpa "crime, fault, blame, guilt, error." English (and for a time French) restored the first Latin -l- in later Middle Ages.