inspection. as i understand it, very preliminarily gas was introduced to the head of service just inside the wall of the building and it was locked with our lock. that means the new line was not yet active but the old line was still feeding gas. con-ed and fire marshals are trying to piece together what the plumbers were doing seconds before second avenue shook. hours after firefighters managed to knock down the flames they finally knocked down what is left of the buildings too. a two to three story pile of wood and bricks and people s charred belongings. countless people lived in those buildings. a local hotel offered to put them up as they try to get back on their feet. the investigation in to this catastrophe continues. josh einiger, abc news, new york. the prosecution in boston and the boston marathon bombing trial dzhokhar tsarnaev is close to wrapping up its case. while seeing graphic photos of the wounds sustained by a victim killed in the attack, jurors