Jake Randolph in "The Littlest Client" Pt. 92

Harrigan looked confused, "You said your surname was Bennett."

She nodded, "I was married very young. It only lasted a few years but I never went back to my maiden name."

I said, "That means that Katie is..."

"My niece. You don't know how many times I wanted to tell her so she knew she had family with her but Max thought it was too dangerous. It was bad enough we were still in the same city as Duncan Gallagher. But we had no place to go...and at least the orphanage provided us some kind of shelter against that monster."