The family of Ki Suck Han sues New York 's transit authority for unspecified amount . Score: 6 Han was pushed onto subway tracks and hit by a train in December . A homeless man was charged with second-degree murder in his death .
The family of Ki Suck Han sues New York 's transit authority for unspecified amount . The agency did not make `` proper and adequate use '' of the train 's brakes , the lawsuit says . Han was pushed onto subway tracks and hit by a train in December . A homeless man was charged with second-degree murder in his death .