this is a fox news alert. disturbing new information about the co-pilot who intentionally crashed the germanwings a 320 plane into the french alps. today german prosecutors saying in the days leading up to this vicious act the co-pilot had researched suicide methods and cockpit door security. and mark hall lem joins us live from germany. good evening, mark. so he was busy researching i guess the writing is on the wall what he was doing. >> good evening, greta. yes. this is from the düsseldorf public prosecutors today. they have been analyzing his recent internet history. browser history on a tablet computer in his apartment which was in düsseldorf as well as in the west of germany. it shows the 27-year-old apparently researching means of suicide and also medical treatment methods. one of his searches into ways of committing suicide the prosecution said was conducted on the monday of last week. so, one day before the crash. his past search entries also showed that on at least one day he was looking into the cockpit doors of the air bus