The prime suspect for the Berlin massacre was under covert surveillance for months as a possible terrorist threat until police let him slip through their grasp earlier this month.
Anis Amri, 24, a Tunisian asylum seeker who arrived in Germany last year, was investigated for “preparing a serious crime endangering national safety”, involving funding the purchase of automatic weapons for use in a terrorist attack.
Amri had been arrested earlier this year and was known to be a supporter of the terrorist group thought to be behind the Sousse terrorist attack in Tunisia, as well as being a suspected disciple of a notorious hate preacher.
