LETS© was developed in the field, during a 6 month pilot program with the FBI. It was designed with direct input from many individuals with extensive experience working in covert environments. LETS© has been utilized by both federal and state agencies including the FBI, California Department of Justice, the ATF and others. It has also been used by local police departments and task forces including Fremont PD, Yuba City PD, Union City PD and SACNET.

LETS© has proven itself effective during investigations involving: Drug Trafficking, Kidnapping/Ransom, Counterfeiting, Gambling, Homicide, Domestic Violence, Sexual Assaults, Economic/Commercial Crime and Organized Crime Investigations.