Watch CBSN Live

Officials announce "significant" development in case of slain Mass. jogger

Investigators in central Massachusetts have developed a DNA profile of a person of interest in the case of Vanessa Marcotte, 27, who was slain while going for a run near her mother's Princeton home Aug. 7, 2016. Worcester District Attorney Joseph Early Jr. briefs the media Thursday, Feb. 23, 2017.
View CBS News In
CBS News App Open
Chrome Safari Continue