Complex sentence: Steve secretly meets with Bradford at a park bench and is given a briefing on what to look for, even though he was secretly working with someone else on the side without Bradford knowing, giving a indication that the mystery woman is one step ahead of Bradford.
Split into simpler sentences: Steve secretly meets with Bradford at a park bench and is given a briefing on what to look for. However, Steve might also be working with someone else on the side without Bradford knowing, giving a indication that the mystery woman is one step ahead of Bradford.