Buckle your seatbelts, everyone....

[hazard]

Also, all evidence that is reviewed is part of the public record and hard to keep out of the courts if acquired as a result of the impeachment investigation. A wide ranging impeachment inquiry in the House followed by a very focused trial in the Senate with only a few matters pursued may be more likely to both remove Trump from office as well as bring down most of the higher level officials after Trump's removed from office as a result of the massive pile of evidence.