Jeremy Richman, whose daughter Avielle was killed at Sandy Hook, said a deeper understanding of mental health issues is essential. He and his wife, Jennifer Hensel, started a foundation to explore issues such as risk factors and successful interventions.
Richman spoke at the same news conference as Hockley, who said she still finds herself reaching for her son Dylan’s hand or expecting him to crawl into bed with her for a hug before school.
‘‘It’s so hard to believe he’s gone,’’ she said.
At Stratford, Conn., where Victoria Soto had lived, the town decided to rename HoneySpot Elementary School after her. Soto, 27, was a teacher at Sandy Hook when she died trying to shield her students from the gunman.
Contributing were Associated Press writers Brian Witte in Baltimore; Randall Chase in Wilmington, Del.; Samantha Henry in Cranford, N.J.; and Michael Gormley and Michael Hill in Albany, N.Y.