He studied psychology at the universities of Bochum (Dipl.-Psych.) and Liverpool (M.Sc. in Investigative Psychology). He earned his Ph.D. at the University of Wuppertal and his habilitation doctorate at the University of Regensburg. He has been working in forensic psychiatric hospitals since 2003. Apart from conducting research, he has provided treatment for forensic patients diagnosed with personality disorders and with sexual preference disorders. Dr. Mokros has also provided expert evidence in court on NGRI pleas as well as violence risk assessments. His main research interests are: psychopathy (aetiology, assessment, and violence risk); indirect assessment of paedophilic sexual preference; behavioural indicators of sexual sadism; and quantitative methods (taxometrics, Bayesian methods, and behavioural genetics).