[fluorescence]

It was "gun violence".

According to this other article, 24-year-old arrested on murder charge in UT football player's shooting death, "Michael Mitchell, 24, was arrested on murder charges. Mitchell is a former Start High School basketball player."

Below we see "Start High School player Michael Mitchell, 40, puts up a shot against Bowsher High School player Marcus McGovern, 33." (From this page: Boys Basketball: Bowsher vs. Start, Published on Jan. 11, 2013)

[KevinB]

Start High School player Michael Mitchell, 40, puts up a shot against Bowsher High School player Marcus McGovern, 33.

I needed to double-check to make sure that was referring to jersey numbers rather than ages. :-)