According to the official version , Alekseychik was fired Process_end from his natural gas technician job several days prior to the explosion Catastrophe , and to get even with his former employers and the city he sabotaged Committing_crime the gas system thus causing Causation the tragedy .

An independent inquiry chaired by Anthony Hidden , QC found Know that the signalling technician responsible had not been told Telling that his working practices were wrong , and his work Being_in_operation had not been inspected Scrutiny by an independent person .

On September 17 , police arrested Arrest a suspect , Raymond J. Clark III , a Yale laboratory technician who worked Employment in the building .

the technician found Know responsible for incorrectly fitting the valve was charged under the air force act .