Indicated that this was going to happen and perhaps could have prevented it. we don t know when he started planning this but clearly there was some planning that went into this. you think about he purchased the gas mask, we re told on ebay. he had the fireworks that he purchased ten months ago. did he start planning this then when he purchased fireworks or was this something more recent like in the last few weeks. we don t know. part of it is because the subways are a sense tsieve location for new york city. it s the lifeline of this city. so many people, every one that lives in here relies on the subways. to have an attack like this on the subway scares the heck out of people. that is something that is very concerning to the city. they need to figure out what happened here. was anything amiss. was there anything they could