The victims had been throwing things at the suspect's car outside a Red Hook motel, a source said.
A stick-up crew struck the Howard Johnson at 153-95 Rockaway Blvd. last Friday.
Cops have arrested Lleuyel Garcia, 23, and charged him with murder in the death of Joseph Benzinger, 54.
The suspect attacked a 20-year-old woman at a motel on Queens Boulevard.
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