4:00 PM- Donnu will collect money from his stands. There are more chances to kill him.

From Create Your Own Story

Now he is comming to collect money from his stands, where will you kill him from

ChooseGo onto a rooftop with a sniper, kill him and the guy at the stands as he is a witness

Choose2Sneak up with a combat knife and assasinate em both from behind

Choose3Toss a frag at the stand and blow it up