A 20-year-old Pennsylvania college student who vanished last week while on Thanksgiving break in her hometown in suburban Syracuse, N.Y., was killed by her on-again, off-again boyfriend, a prosecutor said Saturday.
Onondaga County District Attorney William Fitzpatrick said 21-year-old Steven Pieper of Liverpool, N.Y., was arrested on a charge of murder in the death of Jenni-Lyn Watson, a junior dance major at Mercyhurst College in Erie, Pa. [...]