With Brian Walshe's murder trial approaching later this month , a series of filings gives new insight on the direction attorneys are preparing to take their arguments during trial -- on both sides of the case.

With less than three weeks to go before the scheduled trial date, a clearer picture of the tactics the state and defense may use has continued to emerge through these kinds of pre-trial legal skirmishes.

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Here's some of the latest from this latest batch of filings.

Prosecutors discussed DNA testing in the court filings, revealing that there were three rounds of testing done at the Massachusetts State Police Crime Lab. The Commonwealth intends to introduce all three rounds of the testing at trial.

There's b

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