And in Lincoln, R.I., about 100 people memorialized Daniel Patrick O'Neil, 22, a first-year graduate student in environmental engineering.

"He lived life to its fullest, and we know that his spirit and his influence on his friends will stay with them throughout their lives," his family said in a news release before the service.

The Georgia gym was packed with people wearing maroon and orange ribbons, Virginia Tech's colors, or green ones, Clark's favorite color.

Rhonda Pirtle of Atlanta wore a Hokies football jersey, despite having no connection to the school or to Clark.

"Every time I see Ryan Clark on TV, I think about my son, while he's at school," at Louisiana State University, she said.

Jeff Czech, 23, a longtime friend of Clark's who played in the high school band with him, said he was still in shock over his death.

"He didn't deserve this to happen to him, but he did deserve today to have the band and everyone who's here in support of him," Czech said.

Funerals are planned Monday for Clark in Augusta, Ga., and for Samaha and Hilscher in McLean, Va.

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Associated Press writers Derrill Holly in Chantilly, Va., and Stephen Manning in Washington, Va., and Michelle R. Smith in Providence, R.I., contributed to this report.