An old man hurried over, tugging the leash. "Rex! What's gotten into you? You've been acting strange since last night—what are you barking at?"

The dog's eyes were fixed on me. He let out a soft whine.

I reached out and pretended to pat his head.

I knew. It was probably my blood that had unsettled him.

I'm sorry.

Mom finished her shopping and went home. She'd barely started in the kitchen when someone knocked.

"Police."

"Are you Bernice Fox? We're investigating a homicide that may involve you. Please come with us."