Testers write tracing programs ( also referred to as scripts ) using the D programming language ( not to be confused with awk programs in structure; they consist of a list of one or more " probes " ( instrumentation points ), and each probe is associated with an action.
32.
This increase in the scope of the gun tracing program is crucial because " the volume is now large enough to constitute a good nationwide sample " of what gunrunning actually looks like, said David Kennedy, a senior researcher at the John F . Kennedy School of Government at Harvard University.
33.
They include : raising the age to 21 from 18 for owning a handgun; requiring background checks of people who buy guns at gun shows; banning juveniles convicted of violent felonies from ever owning a gun; prosecuting parents if they let their children use a gun for a crime; and expanding the government's gun-tracing program.
34.
Other features of the proposal include funding 100 more federal gun prosecutors in the offices of the US attorneys; expanding a gun tracing program in Boston and 37 other cities to 50 cities, tripling funding for ballistics testing, and doubling funding for so-called " smart gun " technology designed to limit a gun's use to its owner or other authorized users.
