In what circumstances will police respond to a shooting?

In People v. Troyer (2011) 51 Cal.4th 599, officers responded to a call that a man had possibly been shot twice. (Id. at p. 603.) When the first officer arrived, a man was tending to a woman who had been shot several times. (Ibid.) Another man was also present on the porch. He was bleeding from his head and told the officers that two men were involved and had already fled. (Ibid.) After seeing blood near the door handle, an officer asked the injured man three times whether anyone was inside and received somewhat evasive responses. (Ibid.) The officer could not see into the house and since both victims were screaming and the situation was chaotic, the officer also could not focus on whether he could hear any sounds coming from inside the house. (Id. at

Page 6