Tower: "PAT25 traffic just south of (unclear) bridge is a CRJ at 1,200ft turning for Runway 33"
PAT25: PAT25 has the Traffic in sight, request visual separation
Tower: Visual separation approved.
The runway switch was relayed to the UH-60, as well as instructions to pass behind the RJ.
Yes, it appears the helicopter flying south flew directly into the path of the northbound plane on final approach, even after the ATC told him to pass behind it. Needless to say, some major questions to answer with this one.
It was reported the helicopter pilot may have thought the traffic being reported by ATC was another plane that was taking off to the north. If so, it could have taken the helicopter pilot's attention off the plane further to the south on landing approach.