[Dr. Scarpetta]

If Howie's gay, why isn't the gay community coming out of the woodwork to claim him as one of their own??

[daybreakcoming]

Maybe it's a closet thing. For public purposes, it would not help Howard's paternity claim - perhaps his partner prefers to wait in the closet for the $$$$$$$$$ HKS is promising to come.
OR maybe all of his secret partners have died of drug overdoses.