PEORIA, Ill. -- Authorities have made a sixth arrest in the Starr Street homicide investigation.
Thursday Morning, a 15-year-old boy was arrested in the 2800 block of West Marquette Avenue.
Police say the teenager and another 16-year-old boy allegedly threatened a key witness in the September 26 double shooting of Michael Robinson and Perry Mollohan.
The boys are charged with harassment of a witness, unlawful possession of a firearm and ordered held at the Peoria County Juvenile Detention Center.
Three other teen suspects, Marquis Flora, Dionte Wells and Charles Smith, are each charged with first degree murder and armed robbery.
Authorities believe 15-year-old Smith fired the bullets that killed 54-year-old Michael Robinson and injured Perry Mollohan as they sat on the back porch of the residence at 2214 W. Starr.
And, 18-year-old Sharome Krus faces one felony count of obstructing justice.