The victims were honored at the 20th anniversary of the Columbinemassakern

It was a Tuesday afternoon, april 20, 1999 that two sistaårselever murdered twelve students and one teacher at Columbine high school in Colorado.

a Further 23 people were wounded, and the two perpetrators Eric Harris and Dyland Klebold had also placed several bombs at the school, which is not detonated. Shortly after the murders, they took their own lives.

the victims have been honored in different ways in a week. The pictures show how bereaved relatives and friends lay flowers and light candles at the monument at sunset on Friday. On Saturday finishes commemorating with a memorial ceremony.

" What I miss the most is his laughter. He was a wonderful child who loved to joke, said Betty Shoels, whose relative was killed in the massacre, told Reuters.

Evan Todd, one of the survivors Columbineeleverna, says to Reuters that he's missing his friend who died in the massacre.

" Sometimes I wonder how he would be if he lived today, he says.

the bloodiest school shooting in the country's history. It led to a debate on gun laws, school security and anti-depressant drugs. The two perpetrators had shown signs of mental illness and Eric Harris had written about the bombers, and which he wanted to kill in his diary.

the Perpetrators wanted to blow up the school, but when the bombs are not detonated, they began to methodically collect the students to the library to execute them.

the Police have been criticized for not acting quickly enough and they have nationally changed tactics at the school shootings since then. Today is the police officer's directive to act fast and prevent the perpetrators.

Survivor Will Beck cries during a memorial service on good Friday. Photo: RICK WILKING

other massacres have taken place in the country since then has vapenlagarna not changed significantly. In the last year died 113 people in the firings at schools and educational institutions in the country, which is the highest number ever, according to the BBC. Then it died, including 17 people in a shooting in Parkland Florida in February and 13 people in a shooting in Santa Fe in California three months later.

" You would have thought that we would have more gun laws and several psychiatric checks of those purchasing weapons. But it has not been. It makes me very angry and sad, " says Amanda Duran, another of the survivors, to the AFP.

During the week, shook the small community in Colorado when a woman who must have been possessed of the massacre threatened to carry out a similar act in connection with the commemoration. The 18-year-old woman from Florida had acquired a shotgun and was considered very dangerous by authorities. Several schools had to be closed before the woman was found dead.

Read more: the Tragedy that put school shootings on the map – what really happened in Columbine?