Robert Aguero has 15 years of law enforcement experience working his way up from patrol to detective. He was the lead investigator in many homicide and other crimes. After leaving law enforcement he started his own private investigations business. Over the last 22 years the investigations business which started doing general investigations has transitioned into a cell phone forensics and cell tower data analysis business. For the last 7 years he has been involved exclusively in the forensic examinations of cell phones and analyzing cell tower data. He has worked more than 500 cases and testified as an expert in this field more than 50 times. He has lectured on the topic many times to nationwide organizations such as NACDL, CACJ and TCDLA. He is the co-author of the California BAR Association forensic book on the topic of GPS and Cell Phone data analysis.