Derrick McReary

Derrick wants Niko to back him up on a meet at the LCPA dock with an old IRA contact. The contact comes packing — Niko shoots his way out as the meeting falls apart.
Babysitting is a mission in Grand Theft Auto IV given to protagonist Niko Bellic by Irish gangster Derrick McReary from the LCPA Dock in Alderney City, Alderney.
The mission is for Derrick McReary, Packie's brother in Grand Theft Auto IV. In it, Niko and Derrick help a North Korean named Kim Young-Guk smuggle a boat full of counterfeit 100 dollar bills into Liberty City on a boat. This mission introduces the RPG, the most powerful explosive weapon in the game. Niko meets Derrick in a boat. He takes Derrick in the boat to Kim Young-Guk, a Korean criminal that is wanted by the police for counterfeiting money. Niko and Derrick follow Kim and use guns to blow up a few boats that want to use Kim's counterfeit money for themselves.