Due to the graphic nature of this killer's crimes,

listener discretion is advised.

This episode includes discussions of murder, rape,

and assault that some people may find offensive.

We advise extreme caution for children under 13.

On January 25th, 1973,

25-year-old Herbert Mullin walked slowly

through the early morning mist,

his fingers brushing against the pistol in his pocket.

The path he was traipsing had an appropriately eerie name,

Mystery Spot Road.

Herbert was headed towards a cabin

he had visited plenty of times in his adolescence.

His classmate Jim Giannera had previously lived there

and Herbert hoped that he still lived in the same house.

But Herbert wasn't looking to catch up with an old friend.

He was out for revenge.

His life was a mess and someone had to pay.

When he arrived at the cabin,

Herbert stepped up onto the front porch

and took a deep breath.

Then he pulled the pistol out of his pocket

...