Lesson 1 on crisis communication. Come. Clean. Fully. Immediately. Otherwise it is a drip drip drip drip of trust erosion, until everything crumbles. My university friend D did his thesis on crisis comms, in the aftermath of having lived through and closely experiencing a crisis in our home town. Just under 20 years on, the lesson is still accurate.
It is additionally hard on those who, based on the limited earlier disclosures chose to stand with you, if you then are found out to not have disclosed the entire story.
(previously posted on this.)