Chinese state broadcaster CCTV says it has exclusively interviewed the police officer who was shot in the leg with an arrow on November 17, 2019, by protesters inside Hong Kong Polytechnic University. The officer, identified only as “Sam” in the report aired in mid-December, described the moment he was injured and said he believes police have been restrained in their use of force during months of violent civil unrest in the city. Anti-government protesters have accused officers of brutality and…