Dex did as he was ordered, and gave Michael a video of Sonny illegally trafficking weapons.
Having a change of heart, Michael opted not to turn Sonny in.
But Michael’s decision not to follow through has put Dex in what comes off as an impossible situation.

Sonny agreed but insisted that if Dex wants to leave, he has to be the one to ask.
Now, Josslyn is in full panic mode.
The Dex romance was too soon, and they should’ve allowed her character to mature more.

It looks like a little girl trying to play grown-up, too quickly."