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DALLAS Dallas County District Attorney Craig Watkins has issued a statement apologizing for telling News 8 and the Dallas Morning News that someone was arrested for the murder of Kaufman County Assistant District Attorney Mark Hasse.

"I received what I thought was credible information and regret that the source was wrong," he wrote. "In hindsight, it was inappropriate to comment and I am sorry for any confusion this caused."

Hasse was gunned down outside the Kaufman County Courthouse on Thursday. Those responsible, at least one and possibly two, are still at large. No one has been arrested.

On Friday, Watkins' office announced it would add $30,000 to a tip fund to help find Hasse's killers. That fund has now reached $71,150. To submit an anonymous tip, call Crime Stoppers at 1.877.847.7522.

In his apology, Watkins wrote, "Assistant District Attorney Hasse was a tenacious chief felony prosecutor who gave the ultimate sacrifice in the pursuit of justice."

"The Dallas DA's Office looks forward to assistant Kaufman County Law Enforcement in any way possible," the statement reads.

The Dallas County Medical Examiner is conducting an autopsy of Hasse's body. A report is not expected for eight to 12 weeks.

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