The murder case against three brothers accused of killing a man in 2020 will not be dismissed over the late disclosure of evidence about a Massachusetts State Police sergeant’s involvement in a December 2023 fatal crash. Judge Christopher Barry-Smith ruled Monday that the potential prejudice coming from the late evidence was not severe enough to throw out the case against Billy Lee Phan, Billoeum Phan and Channa Phan. The three brothers are accu…