izručiti

1. (of a suspect, to another country) to extradite
   Srbija je izručila osumnjičenog Nemačkoj. — Serbia extradited the suspect to Germany.
2. to hand over; to deliver
   Pobunjenici su izručili oružje vojsci. — The rebels handed their weapons over to the army.
   Otmičari su izručili taoce policiji. — The kidnappers handed the hostages over to the police.
3. (greetings, regards, a message) to pass on; to convey
   Izruči pozdrave roditeljima. — Give my regards to your parents.
   Izručio sam mu tvoju poruku. — I passed your message on to him.

Construction: izručiti someone/something (acc.) to someone (dat.). For delivering parcels or handing over documents the usual verbs are uručiti and dostaviti.