This implies strozk and page flipped and answers Joe diGenova's/Hannity's question why are they still "working" at the FBI.
How could Mueller think that ordering them deleted would truly delete them? As soon as Mueller knew the texts existed he would know that his balls were on the butcher's block. FBI tier data destruction would only delay their production for congress. He is on the clock and needs a hail mary to take down POTUS. The window for that is closed at this point.