Masked Islamic State (IS) executioner, Jihadi John, is believed to have lived in a state of paranoia due to fear of MI5 spies and considered committing suicide, reveal emails from the IS militant.
According to the Daily Star, he wrote these mails before he went to Syria to become the infamous IS executioner.
Jihadi John whose real name is Mohammed Emwazi admitted in the emails that MI5 persecution drove him to consider suicide.
Jihad John wrote in the mail that he would have an overdose of pills some day so he can sleep forever.
He also described himself as a "dead man walking".
Jihadi John is believed to have carried out beheadings of various U.S. and British hostages.