Sixteen-year-old Chantal Sosa rests next to the grave of her brother, Erick Silva, after his burial services at Davis Funeral Home & Memorial Park in Las Vegas on Thursday, Oct. 12, 2017. Silv …

Sixteen-year-old Chantal Sosa rests next to the grave of her brother, Erick Silva, after his burial services at Davis Funeral Home & Memorial Park in Las Vegas on Thursday, Oct. 12, 2017. Silva was working as a security guard at the Route 91 Harvest festival the night of the shooting, and was killed while helping attendees escape. Chase Stevens Las Vegas Review-Journal @csstevensphoto