This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
Kevin McMunigal, a former federal prosecutor and law professor at Case Western Reserve University, told the BBC that in most US states bystanders are under no legal obligation to intervene or help unless they have a "specific duty" to do so, such as parents, teachers, caretakers or police officers.