Reward for information leading to killers upped to $70,000. Feb. 3, 2013— -- Investigators are working around the clock to find information leading to the killers of Texas prosecutor Mark Hasse, ...

[This story first aired on Feb. 13. It was updated on Dec. 10.] Thankfully, there aren’t many small towns or big cities that have gone through what Kaufman, Texas, has. Mark Hasse, Kaufman’s assistant ...

Bruce Hasse took a circuitous route to becoming a sculptor. While earning a degree in industrial design at Pratt Institute in the late 1960s, he became an avid photographer. After a short stint ...

A preview for an upcoming episode of Prosecuting Evil with Kelly Siegler gives audiences a never-before-seen look into the shocking 2013 murder of a beloved Texas prosecutor. Mark Hasse, 57, would be ...

(AP) TERRELL, Texas - Mark Hasse, a Texas prosecutor gunned down outside his courthouse office last month, was remembered Saturday for his zealousness in pursuing tough cases, love of flying and ...

In the heart of the Lone Star State is Kaufman County, where in 2013, two prosecutors were slain in separate incidents caused by a pair of unlikely killers. Watch Prosecuting Evil with Kelly Siegler ...

Watch Prosecuting Evil with Kelly Siegler on Oxygen Saturday, Saturdays at 8/7c. Catch up on the Oxygen app. Mark Hasse, 57, would be the first of two prosecutors killed in the line of duty when ...