A sixth arrest has been made in connection with the fatal stabbing that happened last month at the Danbury Skate Park.  Danbury Police say 36-year-old Shalina Tallman, of Danbury, was charged with Hindering Prosecution for knowingly rendering criminal assistance to person(s) involved in the killing of Willy Placencia. She was arrested on Tuesday.  The arrest was made without incident and she is scheduled to appear in court on June 24th.  Danbury Police say this continues to be an active and ongoing homicide investigation. Anyone that has information related to the case can leave a confidential message on the Danbury Police Department TIPS line, 203-790-8477 (203-790-TIPS).