the suicide bomber himself. officials say he was in libya in the days leading up to the attack, and also in europe. here s more. reporter: manchester police have made a total of eight arrests, calling them significant, and said it s provided important leads into a possible terror network that may have supported the 22-year-old suicide bomber salman abedi. authorities believe he spent three weeks in libya and passed through a german airport on his way back to england. friday he was spotted at a shopping center buying the bag believed to carry the bomb. the bomb is said to have contained hydrogen peroxide, and could have been made on a kitchen table, not highly sophisticated. his brother arrested tuesday, and another brother and father taken into custody yesterday, where the 18-year-old confessed to the plot, saying both he and