When John visits Dr. Weston after being released from the hospital, what additional information does he uncover?

When John visits Dr. Weston after being allowed out of the hospital, he learns that there was more to the encounter between Roman and Angela. Dr. Weston is Angela's uncle. Concerned by her drug addiction, he decided to stop by her place to talk to her about it. He happened to stop by when Roman was confronting Angela. Dr. Weston grabbed a chair and hit Roman over the head.