He had been hired to commit the assault and is now in police custody.
Tips
usage
受 (shòu) is the passive 'to receive/undergo'. Compare 雇佣 (gùyōng, to hire — the active side) and 雇主 (gùzhǔ, employer). Frequent in legal/news contexts: 受雇于 X (shòugù yú X) = 'employed by X'. Note traditional uses 僱 with the 亻 radical.
