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KAUFMAN A Texas Department of Public Safety dive team is aiding the Kaufman County Sheriff's office in searching Lake Tawakoni for evidence related to the case of Eric Williams, who is charged with killing two top prosecutors and the district attorney's wife.

A law enforcement source speaking on the condition of anonymity confirmed the target of the search. A DPS spokesman will not confirm the specifics but did say Texas Rangers are helping.

'The Rangers are out with the dive team assisting the Kaufman County Sheriff's office in an investigation,' said DPS spokesman Lonny Haschel.

The dive team searched the lake in grids.

Williams, a former Kaufman County Justice of the Peace, and his wife Kim have been charged with capital murder in the deaths of Assistant District Attorney Mark Hasse and District Attorney Mike McLelland and his wife Cynthia last year.

The law enforcement source said investigators believe evidence related to the murders may have been dumped in the lake, which is located about 40 miles northeast of Kaufman.

Investigators have previously searched the Williams' home in Terrell and a storage shed, where authorities said they found 41 weapons, police badges, what's believed to be the getaway vehicle, a Crown Victoria sedan, and a live round that matched spent shell casings found at the McLellands' home.

Authorities could be searching the lake for the firearms used in the killings.

Defense attorneys will ask the judge to delay jury selection during a hearing Friday in Rockwall. A district judge has already ordered the venue changed to Rockwall to ensure a fair trial for the two.

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