North Miami Beach Police Department Chief J. Scott Dennis asks for the public’s help during a news conference Friday, July 24, 2015, to find the killers of Anthony Holley. Anthony’s mother Jada Ferrell, father Vitonia Holley and other family members attended a news conference where the initial arrest was announced. North Miami Beach police said Friday they have made one arrest in the shooting death of a 16-year old and are looking for help in identifying and arresting a second suspect. Video by Al Diaz / Miami Herald staff