When Cray's murderer arrived at Tasper's, he would come with more than one purpose.
Phin is reading Walt Whitman when the murderers arrive.
There is little sign of a struggle so I conclude our murderer arrived as a welcome visitor.
The murderers had arrived to encounter The Shadow.
As it happens, the murderer he had testified against (David Carradine) is out on parole and arrives at the garage that very same day.
The murderer arrived ahead of his pursuers.
The murderer had arrived again to-night.
Then a would-be murderer arrives, heeding something akin to the song's "little yellow man in my head."
The murderer arrived, searched the family, argued with Glauco, drew his gun and started shooting.
As soon as it was dark twelve murderers arrived, with the full intention of killing and robbing the strangers.