Hoang Nguyen | St. Louis Public Radio

Hoang Nguyen

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Updated at 6:01 p.m. April 20, 2011:

Police have arrested Elex Murphy of North St. Louis and are holding him without bond.

A police investigation revealed the attack was part of a game which involves unprovoked attacks on innocent bystanders.

An investigation to identify other suspects is ongoing.

Original Story:

St. Louis police say they have arrested an 18-year-old man in connection with the beating death of a 72-year-old Vietnamese immigrant and the assault of the 59-year-old wife.