bereaved teenage son of a tulsa man shot and killed by 73-year-old volunteer deputy says his father 's killer should have never been on a police force .
the 16-year-old told nbc he believes everyone on the tulsa force is to blame for his father the april 2 death of his father eric harris and says ` they should all go down .
' ` he should have been in a retirement home , not out there on the scene killing my dad ' : fraley -lrb- here with his uncle andre harris -rrb- , says all the tulsa police who allowed bates to become a cop should be held accountable for his death .