Copenhagen, Denmark • The Danish gunman who attacked a free-speech seminar and a synagogue in Copenhagen was released about two weeks ago from a jail where he may have been radicalized while serving time for a vicious stabbing.
As Denmark mourned the two victims, these and other troubling details emerged Monday about Omar Abdel Hamid El-Hussein's path to the country's worst terror spree in three decades.
El-Hussein was arrested 15 months ago in a vicious knife attack on a train passenger. While he was awaiting trial, a change in his behavior last summer set off enough "alarm bells" for jail authorities to alert PET, Denmark's counterterror agency, a source close to the investigation told The Associated Press.
Such warnings usually set in motion counter-radicalization efforts, such as counseling in jail. It wasn't immediately clear how aware the court was of this warning before El-Hussein was convicted of a lesser charge.
Sentenced to the time already served, he was released about two weeks ago, the source said, speaking on condition of anonymity.
"We are working on finding out what has happened," PET spokeswoman Lotte Holmstrup said Monday.
The agency's director, Jens Madsen, also wouldn't elaborate, but he confirmed Sunday that the agency had been aware of the gunman, and that El-Hussein may have been inspired by last month's attacks by Islamic extremists in Paris that killed 17 people.
The 22-year-old opened fire at a cultural center and a synagogue — targets that resembled the Paris attackers' rampage at the Charlie Hebdo newspaper office and a Jewish grocery store — before he was killed in a gunbattle with a SWAT team early Sunday. His victims included a Danish documentary filmmaker and a Jewish security guard; five police officers were wounded.
Denmark's prime minister, crown prince and foreign dignitaries joined about 30,000 people honoring the victims in the bitter Monday evening cold outside the Krudttoenden cultural center, whose name in Danish translates to "powder keg."
"I am here with my daughter to show her that we live in a free country. No one must ruin it," said Aisha Abdi, a Somali Muslim and political refugee who brought her 12-year-old daughter, Irina.
A judge Monday ordered 10 days of pre-trial detention for two people accused of helping el-Hussein get rid of a weapon while evading authorities. Both men deny the charges, said Michael Juul Eriksen, a defense lawyer for one of the two.
Many Danes first saw el-Hussein's image in November 2013, when he was wanted by police for gravely wounding a 19-year-old student in his left thigh and buttocks with a large knife.
El-Hussein didn't come across as religious and had the appearance of a "hardened criminal," his shaved head pocked by scars, said Jesper Braarud Larsen, a Danish court reporter who covered his trial in December.
Surveillance video of the commuter train attack was so vicious that the victim's sobbing parents had to leave the courtroom, but El-Hussein didn't even flinch, Larsen recalled.
El-Hussein told the court he had smoked hashish and was feeling paranoid when he randomly attacked the student. Prosecutors charged El-Hussein with attempted homicide but a judge convicted him of aggravated assault, taking into account El-Hussein's claim that he never meant to kill the victim, said Larsen, who works for the Danish news site Dagens.dk.
El-Hussein's defense lawyer from that case didn't return calls seeking comment, and court documents weren't immediately available to corroborate the account.
While mourners placed hundreds of flower bouquets and candles at the cultural center and synagogue, a smaller mound of flowers appeared where the gunman was slain.
Later in the day, a group of young men removed the bouquets, telling Denmark's TV2 network it isn't a Muslim tradition to honor the dead with flowers. They shouted "God is great" in Arabic.
The shooting spree was Denmark's worst terror attack since a bomb exploded outside the Copenhagen office of the North West Orient airline in 1985, killing a 27-year-old Algerian tourist.
Danish flags are on half-mast in Copenhagen, Denmark, Monday, Feb. 16, 2015 after an alleged shooter killed two persons. Danish police shot and killed the man early Sunday suspected of carrying out shooting attacks at a free speech event and then at a Copenhagen synagogue, killing a Danish documentary filmmaker and a member of the Scandinavian country's Jewish community. (AP Photo/Michael Probst)
A police officer stands in front of the cultural center where an alleged shooter killed one person on Saturday in Copenhagen, Denmark, Monday, Feb. 16, 2015. The shooter was killed by police who believe he also shot a second person at the Jewish synagogue. (AP Photo/Michael Probst).
Rabbi Jair Melchior, centre right, and Dan Rosenberg Asmussen, chairman of The Danish Jewish Community, talk, during a press conference following the attacks at the weekend, in Copenhagen, Monday, Feb. 16, 2015. Two people were killed in the weekend attacks, including a Danish filmmaker attending a free speech event and a Jewish security guard who was shot in the head outside a synagogue in Copenhagen. Five police officers were wounded in the attacks. (AP Photo/Polfoto, Finn Frandsen) DENMARK OUT
Dan Rosenberg Asmussen, chairman of The Danish Jewish Community, foreground, talks, during a press conference with Rabbi Jair Melchior, following the attacks at the weekend, in Copenhagen, Monday, Feb. 16, 2015. Two people were killed in the weekend attacks, including a Danish filmmaker attending a free speech event and a Jewish security guard who was shot in the head outside a synagogue in Copenhagen. Five police officers were wounded in the attacks. (AP Photo/Polfoto, Finn Frandsen) DENMARK OUT
Rabbi Jair Melchior, left, and Dan Rosenberg Asmussen, chairman of The Danish Jewish Community, talk, during a press conference following the attacks at the weekend, in Copenhagen, Monday, Feb. 16, 2015. Two people were killed in the weekend attacks, including a Danish filmmaker attending a free speech event and a Jewish security guard who was shot in the head outside a synagogue in Copenhagen. Five police officers were wounded in the attacks. (AP Photo/Polfoto, Finn Frandsen) DENMARK OUT
Flowers and candles lay in front of the Jewish Synagogue, in Copenhagen, Monday, Feb. 16, 2015, following the attacks at the weekend. One person was killed and two policemen wounded in front of the Synagogue during this weekends terror attack in Copenhagen. Danish police shot and killed a man early Sunday suspected of carrying out shooting attacks at a free speech event and then at a Copenhagen synagogue, killing a Danish documentary filmmaker and a member of the Scandinavian country's Jewish community. Five police officers were also wounded in the attacks. (AP Photo/Polfoto, Jens Dresling) DENMARK OUT
Flowers and candles lay in front of the Jewish Synagogue, in Copenhagen, Monday, Feb. 16, 2015, following the attacks at the weekend. One person was killed and two policemen wounded in front of the Synagogue in Copenhagen. Danish police shot and killed a man early Sunday suspected of carrying out shooting attacks at a free speech event and then at a Copenhagen synagogue, killing a Danish documentary filmmaker and a member of the Scandinavian country's Jewish community. Five police officers were also wounded in the attacks. (AP Photo/Polfoto, Jens Dresling) DENMARK OUT
A police officer stands in front of the cultural center where an alleged shooter killed one person on Saturday in Copenhagen, Denmark, Monday, Feb. 16, 2015. The shooter was killed by police who believe he also shot a second person at a Jewish synagogue. (AP Photo/Michael Probst).
The sister of the Jewish victim cries while visiting the synagogue in Copenhagen, Denmark, Monday, Feb. 16, 2015. Denmark's Prime Minister Helle Thorning-Schmidt says she is mourning the two people killed and is vowing to protect freedom of speech along with Denmark's Jewish community. (AP Photo/Michael Probst)
The Mayor of Paris, Anne Hidalgo , centre, looks at the floral tribute , as she visits the Teater Building 'Krudttonden', the scene of the first attack over the weekend, in Copenhagen, Monday, Feb. 16, 2015. The slain gunman suspected in the deadly Copenhagen attacks was a 22-year-old with a history of violence and Danish authorities say he may have been inspired by Islamic terrorists and possibly the Charlie Hebdo massacre in Paris. (AP Photo/Polfoto, Mik Eskestad) DENMARK OUT
FILE - Police handout of suspect Omar Abdel Hamid El-Hussein from an earlier occasion, where he stabbed a person in a train on Friday Nov. 22, 2013. The slain gunman Omar Abdel Hamid El-Hussein suspected in the deadly Copenhagen attacks was a 22-year-old with a history of violence and may have been inspired by Islamic terrorists and possibly the Charlie Hebdo massacre in Paris, Danish authorities said Sunday Feb. 15, 2015. (AP Photo/POLFOTO, Police Handout) DENMARK OUT
FILE - This is an undated police handout images of Omar Abdel Hamid El-Hussein . The slain gunman Omar Abdel Hamid El-Hussein suspected in the deadly Copenhagen attacks was a 22-year-old with a history of violence and may have been inspired by Islamic terrorists and possibly the Charlie Hebdo massacre in Paris, Danish authorities said Sunday Feb. 15, 2015. (AP Photo/POLFOTO, Police Handout) DENMARK OUT
People hold torches during a vigil near the cultural club in Copenhagen, Denmark, Monday, Feb. 16, 2015. The slain gunman behind two deadly shooting attacks in Copenhagen was released from jail just two weeks ago and might have become radicalized there last summer, a source close to the Danish terror investigation told The Associated Press on Monday. The prime ministers of Denmark and Sweden were expected to join thousands of people at memorials in Copenhagen on Monday evening. (AP Photo/Michael Probst)
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