Jillian Peterson noted that two phenomena surface repeatedly in the statistics : hopelessness and a need for notoriety in life or in death .
Jillian Peterson is an assistant professor of criminology at Hamline University who is participating in the construction of a database on mass shooters .
Jillian Peterson , an assistant professor of criminology at Hamline University who is participating in the construction of a database on mass shooters , noted that two phenomena surface repeatedly in the statistics : hopelessness and a need for notoriety in life or in death .