Amy Blanc Lacy, a script supervisor renowned for her contributions to The Walking Dead and Halt and Catch Fire, has died following a high-speed hit-and-run collision in Atlanta on September 1, according to police.

Lacy, 62, was in the back of her son Oliver Lacy's vehicle when 31 year old Buck Rollins allegedly smashed into their car at 91 mph in a 45 mph zone.

The Atlanta Police Department said Rollins lost control of his vehicle, mounted a kerb, and launched his car into Lacy's car.

Lacy suffered life-threatening injuries and was admitted to hospital in a coma, losing her fight for life four days later.

Her sons, Oliver, 23, who was behind the wheel, and Adrian, 25, were also taken to hospital following the collision.

An arrest affidavit secured by People reveals that Rollins fled t

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