There is a line of misconduct beyond which they will not keep silent.

FORBES: Do Law Enforcement Officers Have "A Code" Or A Culture Where They Overlook The Transgressions Of Other Cops Or Retired Cops?

In the context of her experience, it would have made perfect sense for Daphne to keep silent about her second baby's father because she knew from her experience not to expect his presence or participation in her life or in the life of their child.

NPR: One Boy's Heroism in the Face of AIDS