During Danny Williams' vehicular pursuit of Ben Hanakea through the forest, the head of a crew member (wearing a white hat) briefly pops into the frame during one of Danny's sharp turns.
At the end when the young woman is dangling off the cliff you can see the crew person standing on the right side with a white shirt possibly filming.
When McNab swims away from the surf competition on Sunset Beach, he comes to shore in Waimanalo as you can see Rabbit Island in the background. Waimanalo is over 40 miles away from the North Shore.
Assistant DA Sunada bursts into Steve's office to tell Danny his prisoner has escaped. That information would have come direct from HPD, not via the DA's Office.