They were posted, ip addresses, seeing if there's likes from co-conspirators or friends. honestly, it will aid in understanding the psychological behavior behind these acts. >> 62-year-old man, person of interest, not a suspect. not the age of a type of person you think. . >> no. i was quite surprised when i saw 62-year-old gentleman as a person of interest in this thing. behavior alley and criminology, that's not what we are working for. . >> what do you think? >> i agree. it's out of the norm. we'll see what miss motives are. they have two of the three. motive, opportunity and means. they ha...