SHARE THIS VIDEO —
Investigators still searching for motive in Dayton shooting
Catch up with NBC News Clone on today's hot topic: Mmvo65364037679 - Breaking News | NBC News Clone. Our editorial team reformatted this story for clarity and speed.
Authorities are trying to figure out what motivated the 24-year-old gunman to put on a bulletproof vest and kill nine people in just 30 seconds -- including his 22-year-old sister.
NBC News Clone will keep curating essential reads for you — simplified and optimized.
