About Dr. Ron & Dr. Joni

Thread of Evidence deals with real crime stories; their victims, violators; and cops and forensic investigators who solve those crimes and bring the bad guys to justice. Go out onto the mean streets; visit the crimes scenes and work in the forensic lab with Forensic Criminologist, Dr. Ron Martinelli and Forensic Psychologist, Dr. Joni Johnston. Ron Martinelli, Ph.D., CMI-V, is a nationally renowned forensic criminologist and retired police detective with the San Jose (CA) Police Department. Dr. Joni E. Johnston is a licensed clinical/forensic psychology and licensed private investigator.

🎧 Violence Risk

By |2020-01-21T07:12:20-05:00January 19th, 2020|

Dr. Kelly Watt In this age of mass shootings and workplace violence, terms like “violence risk” and “threat assessment” have become common terms. But

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