the victim in the leg. The trial court summarized the facts as follows:

      [O]n July 24, 2008, [Appellees], along with another co-

      armed robbery. The Commonwealth further alleges that both
      Belani and Liu were armed and were wearing stockings over
      their heads, and that Liu ultimately shot the complainant in the
      leg. Belani was not arrested until November 5, 2009. Liu was
      arrested the following day.     After a preliminary hearing on
      October 7, 2010, [Appellees] were held for court on robbery,
      aggravated assault, conspiracy,day after receiving them.

           The court also was informed for the first time on December
     14th that the Commonwealth was demanding a jury trial. The

     advisement and scheduled a January 28, 2013 hearing. The
     purpose of the hearing was to afford the Commonwealth the
     opportunity to present testimony explaining the delay in
     finalizing the DNA analysis. On January 28th, the hearing was
     continued to February 7, 2013, because the Commonwealth had
     subpoenaed its witnesses for the wrong time. The testimony
     presented on February 7, 2013[,] revealed