One news outlet says father purchased a Sig Sauer 9mm days before the student murdered classmates.
This news outlet says the gun used was a "ghost gun".
So is it possible to build a Sig Sauer 9mm that has no serial number and qualifies as a "ghost gun"?
Michigan school shooting suspect's gun was purchased by his father on Black Friday
The gun used in the tragic Michigan school shooting was purchased by the suspect’s father on Black Friday.
www.foxnews.com
This news outlet says the gun used was a "ghost gun".
Police confirm ‘ghost gun’ used in Arizona high school shooting
The debate over so-called "ghost guns" has made national news. One of those weapons has found its way onto the campus of Cesar Chavez High School in Phoenix.
www.katc.com
So is it possible to build a Sig Sauer 9mm that has no serial number and qualifies as a "ghost gun"?