The acting national police chief will cut short his trip to the US and return home early amid growing controversy over the police response to a high-profile murder case, the agency said Wednesday. Acting National Police Agency Commissioner Yoo Jae-seong is in the US to attend the United Nations Chiefs of Police Summit (UNCOPS) from July 5-11, but he will return home on Friday "given public concern and interest" regarding the recent murder case involving a female high school student, according to