The correct answer to this open question is the following.
Professor Jeff Brantingham is a faculty member of UCLA, the University of California in Los Angeles. He is a Professor of Anthropology that conducted the study that was published in the Journal of American Statistical Association, Volume 110, 2015. Issue 552. It was called "Randomize Controlling Field Trials of Predictive Policing.
He received the help of other professors such as G.O. Mohler, M.B. Short, Sean Manilowski, Mark Jhonson, G.E. Tita, among others.
They designed a mathematical model to help the Los Angeles Police Department to decide where to deploy officers. The model helped the department to reduce crime rates during a period of 21 months.