turned out to be a monster.

Conversations with A Killer focuses on a man whose personality, good looks and social graces defied the serial killer stereotype, allowing him to hide in plain sight as he committed his many brutal sex-crime murders before being caught in 1978.

The movie, to be released later this year, takes its title - Extremely Wicked, Shockingly Evil and Vile - from the words of judge Edward Cowart who sentenced Bundy to death in 1979.

The footage below was filmed the very day before he was sentenced to death by electric chair, according to Serial Killer Shop.

It is said that Boone - like many of his victims - was instantly drawn to Bundy's quiet intellect and good looks when they met while working at the Washington StateDepartment of Emergency Services in the early 70s.

"He struck me as being a rather shy person with a lot more going on under the surface than what was on the surface. He certainly was more dignified and restrained than the more certifiable types around the office. He would participate in the silliness partway."

According to Rolling Stone, Boone testified as a character witness on Bundy’s behalf on more than one occasion, and allegedly went on to assist Bundy's 1977 escape from prison by smuggling cash into prison during her visits.

As Raiford Prison did not allow conjugal visits at this time - Boone's pregnancy was awash with sensational rumours. One, according to Serial Killer Shop, being that she had smuggled a condom to her husband, who then filled it with