Philadelphia Mayor Jim Kenney grabbed local headlines when it was revealed he periodically deletes text messages from his personal cellphone that he also uses for work. 

Kenney’s “bring your own device” approach for work is a growing trend in the economy, including the legal industry. But the mayor’s deletion habit could be seen as a slight to government transparency. Still, while recovering the mayor’s deleted texts from years ago may be difficult, it’s not impossible, experts said.