Police in Arlington apparently interacted with Tamerlan Tsarnaev on the Fourth of July last year.

Responding to a loud house party, they found the older brother sitting in the passenger seat of his Honda. The person sitting behind the wheel was cited for having an open container of alcohol. The Arlington cops have turned their information over to the FBI's Joint Terrorism Task Force.

It was learned earlier this week that Tamerlan was receiving Massachusetts welfare benefits. His wife, and 3-year-old child got the benefits until last year.

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