Intel #16) After killing the guard on the video call, Manhunt's first intel is out on the balcony.
Intel #17) While running through the streets (after the flying section), keep an eye out for a white building with a blue awning in the middle of the street, marking a major fork in the road. Stay left to find Manhunt's second intel.
Intel #18) During the sniper section, you'll see a teammate get sniped at the base of some stairs in dramatic fashion. Run up the stairs and keep going straight into a building with Manhunt's third intel on a counter.