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[Eng Subs] CphShooting - Omar el-Hussein: The loner who became terrorist Interview Interview with former friend: 16th Feb 2015.
Google Translate of the TV 2 article.
Okay, I made a few corrections for you

The 22-year-old man who most likely was behind the weekend's
terrorist attack in Copenhagen, was presumably a complex man,
and a bit of a loner. It tells Jacob Sheikh, a journalist at Politiken.
He has spoken to several sources who have been close to Omar
el-Hussein.

The late 22-year-old el-Hussein had earlier taken his HF [after
public school] exam at VUC in City of Hvidovre, where he got
good grades - when he wanted to.

- He was a man who was relatively gifted and who scored good
grades in school - when he was bothered. But at the same time he
also had a very nasty temper, which could run away with him. He
had a personality that could change in a heartbeat. He could be
very aggressive if he felt stepped on, says one of his friends to
me, says Jakob Sheikh, who in his research also came across
several that could relate that el-Hussein was deeply committed to
the Palestinian cause.
A case which was his heart very closely by virtue of his own family,
who came from Palestine. Although he was born in Copenhagen.

- A friend told me that he could become quite furious with
people who were politically disagree with him.
- He loved to discuss Islam. In particular, he discussed often
Israeli-Palestinian conflict. Here he was not afraid to say openly
that he hated Jews, have a friend explained to Jacob Sheikh.
Also read: Two charged with helping perpetrator behind the
terrorist attack in Copenhagen

Journalist: It is too early to say whether he had been radicalized
The now 22-year-old man had a completely overt time in and out
of the criminal Copenhagen environments that have led him
astray. Only weeks before the weekend's episodes in Copenhagen,
as all deaths of two civilian people and electric Hussein even life,
he had been released from prison where he had served a
sentence for a rough stabbing another man in a subway train.

Despite reports that el-Hussein had been radicalized in prison
may Jakob Sheikh not only recognize this information.
Read also: Video: The killing recalled in Copenhagen
- It may be the case that he has been radicalized in prison, but it
is still too early to say anything about, I think.
Also, one of Omar Abdel Hamid el-Hassan's old acquaintances,
Mohammed El-Hassan, denies that he knows him as a specifically
religious young man. The two were convicted of committing a
series of burglaries together back in 2011, and Mohammed El-
Hassan said to TV 2 that he is shocked that it is he who is the
alleged offender.

- The boy was criminal. He also smoked marijuana and so on. A
Nørrebro street urchin. Not such a schoolboy, says Mohammed El-
Hassan and continues:
- Yes, he was a hash'er and made criminal offenses. But I am very
shocked that it's him. It must say. He was not religious then, ed,
it sounds on.

Come in bad company
One of the ways in which Omar el-Hussein sought refuge from
crime down, went through Thai boxing, which he cultivated until
2013.
- He was supposedly quite talented, and was headlined by several
rallies, says Jakob Sheikh.

- Many suggest that he got into bad company in a very early age.
Many have told me that they actually thought he was too smart to
something. But it's got so allegedly not been the case, says
Sheikh, adding that el-Hussein allegedly blurted out in quite a
substantial cannabis that initiated the criminal careers.
- It is worth noting that he was in front of a judge previously told
that he was suffering from anxiety and was affected by marijuana
at the time when he put a man into a subway train.
And when Omar el-Hussein died when he was shot by police on
Svanevej in Copenhagen's Northwest area, it was also a long
criminal record behind him. According to sources spoke his
record possession of marijuana, fights, weapons possession and
gang-related offenses. Among other things, he was previously
arrested in the Copenhagen nightlife with a 12 centimeter long
knife. And last but not least the electric Hussein recently been
released from prison where he had served a sentence for stabbing
in s-train [public transportation]. - Two People In A Room A Number Of Techniques, Such as The Poison Pill