He could have shown them where
Hank/Gomie were killed and I believe buried.
Skyler already had that info. Walt
gave her the lotto ticket with the coordinates and told her to use it to make a deal with the prosecutor
in the final episode. Though Jessie wouldn't know that immediately, the news would have probably reported it after Skyler made the deal.
Crystal Maiden... gal could break your heart in a thousand pieces. -Rucks