Mesira permitted for danger to community

 

Rambam (Hilchos Chovel u’Mazik 8:11): …. Similarly all those who distress the community and harm it – it is permitted to hand them over to the non‑Jewish government to be beaten, imprisoned and punished. However if the person is only disturbing an individual and not the community – it is prohibited to hand him over. It is also prohibited to cause the loss of the property of the moser – even though it permitted to cause the death of the moser himself. That is because his property belongs to his heirs.