Julius Hammond-Desir pleaded not guilty to murder and firearms charges in Quincy District Court Wednesday afternoon who he is being held without bail. According to the Boston Herald, the man accused of shooting and killing another man at the South Shore Plaza mall in Braintree was arrested in Dorchester this morning after three and a half weeks in hiding, authorities say. 

His arraignment is expected to happen some time today in Quincy District Court. Authorities said they suspected 19 year old Julius Hammond-Desir, of Maynard, for the January 22 shooting in the mall and named him on the 28th as they sought the public's help in locating him. Hammond-Desir is accused of shooting and killing 26 year old Dijoun Beasley, of Dorchester, around 3 P.M. that afternoon.