32-year old Mark Boyd II of Islip, New York, was found lying on a street with several gunshot wounds just before midnight.
Police allege 32-year-old Carlos Jacob Engle lured Boyd into a co-conspirator's car on the pretense of helping him find a hotel room.
Police said they think Engle and the other man robbed Boyd and then Engle shot Boyd several times.
Investigators said Boyd's bicycle, his saddle bag, a map, camping fuel, and personal items were stolen.
No other arrests have been reported.
Engle is charged with first-degree murder, first-degree kidnapping, and robbery with a dangerous weapon.
The Associated Press contributed to this report
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