Yes, Apple is toughening up the security of iPhones with iOS 12. Yes, the steps Apple is taking will make it harder for law enforcement agencies to thwart iPhone security. But no, that’s not the reason Apple is doing it.
Read more in my article on the Tripwire State of Security blog.

https://www.tripwire.com/state-of-security/featured/apple-confirms-its-closing-security-loophole-that-police-were-using-to-crack-iphones/#new_tab