Throughout every step of your career, your trail has blazed brightly.

Don't let a busy schedule stall your progress.

At Warwick Business School, you'll find exact level courses that work around busy lives.

Acquire new stand-out skills and business acumen,

develop your leadership potential, and build global connections at our location in the Shard, London.

Unlock your career at Warwick Business School, search WBS.ac.uk.

Locked up, radio.

You are now listening to True Murder, the most shocking killers in true crime history,

and the authors that have written about them.

Gacy, Bundy, Dahmer, the Night Stalker, BTK,

every week another fascinating author talking about the most shocking and infamous killers in true crime history.

True Murder, with your host, journalist and author, Dan Zufansky.

Good evening.

On a cold January morning, the killer executed assistant district attorney Mark Haas in broad daylight.

Eight shots fired a block from the Kaufman County Courthouse.

Two months later, a massacre.

The day before Easter, the couple slept, monies, eggs, a flower centerpiece gracing the table.

Death rang their doorbell and filled the air with the sound of an assault weapon discharging round after round into their bodies.

Eric Williams and his wife Kim celebrated the murders with grilled stakes.

Their crimes covered front pages around the world, many saying the killer placed a target square on the back of law enforcement.

Williams planned to exact revenge on all those who had wronged him, one at a time.

Throughout the spring of 2013, Williams sowed terror through a small Texas town,

...