The conduct that earned Mr. Pena scrutiny came in 2016 and 2017, and Securus says it shut down the LBS platform, which relied on cellphone pinging, four years ago.
U.S. Marshals case puts spotlight on police cellphone tracking
Securus Technologies said it permanently shut down the tool four years ago.
Deputy U.S. Marshal charged with using cops' cell tracking tool to target 'personal relationships'