[workerbee]

He is probably armed, 'highly dangerous' and a member of a 'large' Islamic organisation and has weapons training abroad, security sources say.

Probably? Ya think?

[kalee]

“Member of large Islamic organization and had weapons training abroad” a thorough background check and denial of entry to those with this history might have saved lives.

[toldyou]

From the article below:

Mr. Jaeger said security services had exchanged information about Anis in November and the federal police issued a warning that he posed a danger.

In June 2016, Anis’s asylum application was rejected and, although he was living in Berlin, his deportation was coordinated with immigration services.

http://www.mirror.co.uk/news/world-news/live-berlin-terror-attack-suspect-9486959?service=responsive