OLSO, Norway (CBS) -- A terror trial has begun in Norway for the man who admits killing 77 people last summer. Survivors and victims' families packed the 200 seat courtroom.
Anders Behring Breivik smiled as a guard removed his handcuffs then gave a defiant closed fist salute and his trial began in a packed Oslo courtroom.
Breivik told the court he killed 77 people in a bombing and shooting spree in Norway last summer. But he pleaded not guilty to criminal charges, saying he acted in self-defense to save the country from a Muslim takeover.
Breivik wiped away tears when prosecutors showed an anti-Muslim video he posted on YouTube before the killing spree.
Lawyers showed a map of Utoya Island and detailed Breivik's movements as he attacked teenagers at a political summer camp. Victims and their families sat behind a thick glass barrier in a courtroom built specifically for the trial.
Shooting survivor Vegard Groslie Wennesland says, "Last time I saw him in person, I saw him shoot and kill my friends. So it is tough but it is also important to get through it."
Breivik posed as a police officer as he hunted down and killed dozens on Utoya island after bombing a government building in Oslo. He told investigators he was part of a far-right militant group, but police believe he acted alone.
The 33-year old says he will testify Tuesday. Lawyers say he will not apologize for his actions and wants to prove he is sane.
If deemed mental competent, Breivik faces a maximum sentence of 21 years in prison.