The Hookman

This urban legend has countless variations, but they all start with a couple making out in a car on a deserted road. Then the radio crackles, and a news report interrupts the romance to tell listeners that an escaped killer with a hook for a hand is on the loose.
What happens next varies widely, but you get the picture. As much as this sounds like the script of a B movie, it actually happened in the USA, in Texarkana, TX.
In 1946, a series of murders known as the Texarkana Moonlight Murders took place in the city. The "Phantom Killer" attacked eight people, killing five, all of whom were in cars on what is known as "lovers' lane." The murders were never solved.

Source: msn.com