Calls for police reform have grown after five police officers in Memphis, Tennessee were caught on video beating a man who later died in hospital. But there isn’t consensus yet among American legislators on to how to prevent more violence particularly on Black Americans. The death of the 29-year-old Tyre Nichols has sparked yet another debate over what his lawyer Ben Crump called an ''implicit bias in police culture in the United States'' as VOA’s Veronica Balderas Iglesias reports.