Police say the teens were involved in what is described as "an intense" relationship. Astley's body was found in a body of water after she went missing. The last person to meet with her was her boyfriend, according to ABC News.
Police say, Nathaniel Fujita,18, a former Wayland High School football star, killed his girlfriend, Lauren Astley, 18, when she went to meet with him to make him feel better after breaking up with him. Details of the autopsy report revealed that Fujita choked his ex-girlfriend and dumped her body in a local marsh. Astley's throat was also slashed.
Fujita was arrested after a police investigation revealed that he was responsible for the crime. Fujita had pleaded not guilty but was later convicted by a Middlesex Superior Court jury of first-degree murder. He is serving a life sentence with no opportunity for parole.
Key Points in the case
Lauren Astley was a beautiful teenager and a talented acapella singer who was dearly loved by her family, classmates and community.
Nathaniel Fujita was handsome football player at the local high school.
The two families, who were also friends, hugged after the reading of the verdict.
Her death shattered the community. More than 1000 people attended candle-light vigils and memorial services honoring the teen.
The case shed light on the problem of teen dating and domestic violence.
The "48" hours episode entitled "Loved To Death" will air on Saturday at 10 p.m.