UPDATE JULY 12: Several dozen people showed up today in Las Vegas to remember Vanessa Guillen and demand justice for her.
ORIGINAL STORY: A march and vigil are planned here in Las Vegas on Sunday to demand justice for Vanessa Guillen.
According to a Facebook page for the event, it starts at 4:30 p.m. at AM/PM behind Tropicana and OYO Hotel.
Investigators say the Fort Hood soldier was killed and dismembered by a fellow soldier.
For months, Guillen's family claims the army did not take her disappearance seriously and are now calling for a congressional investigation.
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