In a chilling summary, the far-right fanatic claimed Thursday that he sharpened his aim by playing computer games for more than a year before Norway's worst peacetime massacre.u00a0

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Breivik told an Oslo court he took steroids to build physical strength and meditated to "de-emotionalize" himself before the bombing and shooting rampage that left 77 people dead. His lack of remorse and matter-of-fact description of weapons and tactics he even considered using a flame thrower, was deeply disturbing to families of the victims, most of whom were teenagers.u00a0

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