The first shock came in November. A shooting killed two brothers, one a 17-year-old Memorial High School student. December would deliver another tragedy: A 15-year-old freshman at the school died ...

Frisco ISD increased its security protocols for the meet in response to the fatal stabbing of 17-year-old Frisco Memorial junior Austin Metcalf last week at David Kuykendall Stadium in Frisco.

Karmelo Anthony, 17, a student at Frisco Centennial High School, has been charged with first-degree murder, police said. No bond has been set yet, according to police.