"I knew there was going to be a murder and I couldn't do anything about it." - Marisa Merico Everyone has secrets. They can be small and trivial and cause no harm. But some traumatic or deep revelations can have a life-changing effect. From the personal to the communal, this week Insight guests tell us why and how they ended up revealing their deepest secrets. We explore the burden of keeping secrets and ask if it's ever a good idea to let skeletons out of the vault. Have you found out something that was completely unexpected?