A bomb carried Carry_goods by Petri Erkki-Tapio Gerdt exploded Attack at 19:36 killing five immediately , including Gerdt .

A bomb carried Carry_goods by Petri Erkki-Tapio Gerdt exploded Attack at 19:36 killing five immediately , including Gerdt .

The incident was investigated Criminal_investigation primarily as six accounts of murder Killing and closed Self_motion in January 2003 without any indictments as Gerdt was the sole suspect Committing_crime .