This is part of the reason that in some countries it is illegal report anything significant about an active investigation. You don't want to pollute the witnes

This is part of the reason that in some countries it is illegal report anything significant about an active investigation. You don't want to pollute the witness pool - even if what is reported is 100% categorically true, the fact that someone might know something they otherwise wouldn't have known is bad for an accurate and just investigation.