Target Msu News Today

>> announcer: this is "nbc nightly news" with lester holt good evening, and thank with us. official assurances that all is safe near the site of that ohio toxic train derailment arent playing well with many area residents tonight, not with people experiencing physical symptoms and fish dying by the thousands in nearby streams. it has been almost two weeks since the train jumped the tracks in eastern ohio near the pennsylvania border spilling tanker cars carrying hazardous chemicals....

New tonight, a possible lead on motive and what may have prompted the alleged shooter, 43-year-old anthony mcrae, who investigators say took his own life after the rampage to target msu. >> its being investigated that he may have applied for a position here. >> yes, were trying to establish any potential connectivity >> can you tell us how that came to light >> just part of the investigation itself. >> reporter: also part of that investigation, how he obtained the gun, as well as mcraes criminal...