Larkin has taught coursework in the Department of Sociology at the Newark College of Arts and Science of Rutgers University , and was also a research associate at the Center for the Study of Evaluation , University of California , Los Angeles Graduate School of Education . After the publication of his work '' Comprehending Columbine '' , Larkin was contacted by the press for comment on the Columbine High School massacre , and discussed a judge 's decision to seal information and tapes containing information about the killers . " The judge said the tapes were incendiary . We have plenty of things already that stimulate violence , " said Larkin . Prior to writing the book , Larkin had given a seminar at the John Jay College of Criminal Justice 's Center on Terrorism , entitled : " From Oklahoma City to Columbine : Paramilitary Influences on Eric Harris and Dylan Klebold . " Larkin is an Adjunct Professor at the John Jay College of Criminal Justice , City University of New York . He ran his own consulting firm called Academic Research Consulting Service for 25 years
Columbine High School massacre
Columbine High School massacre
Ralph Larkin