In a legal sense, yes. That police can't be held legally liable if they fail to protect someone from harm. They might lose their job, if their boss actually c

In a legal sense, yes. That police can't be held legally liable if they fail to protect someone from harm. They might lose their job, if their boss actually cares about officers putting their lives on the line to protect people, but they are under no obligation to do that. And in practice, most won't ever punish an officer for failing to protect someone when they could have done so.