Michele McDonald for The Boston Globe

Malcolm Astley, whose daughter Lauren was killed last July, will lecture on dating violence.

Globe File Photos

Nathaniel Fujita (right) is accused of killing Lauren Astley. The couple had dated for years, but had broken up months earlier.

AP File Photo/2011

Malcolm Astley spoke during a memorial service for his daughter last July in Wayland.

Essdras M. Suarez/Globe Staff/File 2011

Mourners embraced during last year's memorial service.

WBZ-TV/File

A prom photo showed Lauren Astley and Nathaniel Fujita when they were dating.

David L. Ryan/Globe Staff/File

Fujita is accused of dumping Lauren's body in this marsh in Wayland.

Essdras M. Suarez/Globe Staff/File

A mourner held a program from Lauren Astley's memorial service last year.