This is a summary. To read the whole story subscribe to BostonGlobe.com
A Waltham teenager who excelled at sports and dreamed of joining the Marines was fatally shot Thursday night in the parking lot of an apartment complex.
Tyler Zanco, 17, was found at about 10:08 p.m. in the lot at 31 Middlesex Circle, the address for the Gardencrest apartment complex, according to a statement from Middlesex District Attorney’ Marian Ryan’s office.
“No arrests have been made and the investigation is ongoing,” the statement said. “However, at this point, authorities do not believe this was a random attack.”