Two police officers -- Alyn Wilcox and Anthony Soldo -- were killed on their lunch break . Both were mothers and fathers . A civilian also is missing ; his family says Joseph Wilcox was brave . Officer Beck , 41 , joined the Las Vegas Metropolitan Police Department ( LVMPD ) in August 2001 . Wilcox attempted to confront a shooter in a Walmart store .
Two police officers -- Alyn Wilcox and Anthony Soldo -- were killed on their lunch break . Both were mothers and fathers . A civilian also is missing ; his family says Joseph Wilcox was brave . Wilcox attempted to confront a shooter in a Walmart store .