There are two investigations going on;

1) the IG Horowitz working in conjunction with Huber per Jeff Session's appointment with no leaks almost forgetting an investigation exists

and the polar opposite

2) the Mueller investigation where “the leaks that have been coming out of the FBI and DOJ since 2016 are unconscionable,” said retired FBI supervisory special agent James Gagliano. “ There’s a difference between whistle-blowing and leaking for self-serving or partisan purposes.”

How Anti-Trump Leakers Moved From Offense to Defense
By Lee Smith | September 12, 2018 |

https://saraacarter.com/how-anti-trump-leakers-moved-from-offense-to-defense/

Initially, the leaking was an offensive operation aimed at disrupting Trump’s agenda, especially through leaks alleging connections between his campaign and the Russians. Its early successes included leaks of highly classified material that led to the firing of National Security Adviser Michael Flynn and the recusal of Attorney General Jeff Sessions from overseeing that probe…

Still in power in the lame-duck period, members of the Obama administration started to play offense, illegally leaking highly classified information aimed at undermining the new administration’s agenda by raising concerns about Russian interference…

The first phase of the leak campaign was largely successful in raising doubts about whether the Trump administration really did put America first. It normalized charges of treason lodged against the president by Democrats and former Obama officials now working for the media, including former CIA Director John Brennan…

The second phase – which began roughly a year into the Trump administration – has been more defensive, pushing back against congressional oversight committees that had uncovered irregularities in the FBI’s investigation of Trump…

But the landscape began to change near the end of Trump’s first year in the office, forcing his opponents to shift from playing offense to defense. By then, the White House had replaced many Obama-era holdovers and “Never Trump” Republicans...

A number of senior officials at the DOJ and FBI, for instance, resigned, were fired or reassigned and no longer in position to feed the news cycle with a steady stream of classified intelligence… = crimes.

Plus much more…