State Police Cold Case Squad solve 2009 murder
Tyrik Knight Charged with the Murder of
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[October 02, 2014]
CHICAGO -- The Illinois State Police
(ISP) today announced that its Cold Case Squad solved a 2009 cold case
involving an adult female who was reported missing to the Dolton Police
Department on April, 4, 2009.
Dolton Police contacted the Illinois State Police to lead the
investigation after a 911 caller reported seeing a body in the
Little Calumet River.
The victim was subsequently identified as Arika Sims, 37 of Chicago,
who was reported missing on April 4, 2009 and was last seen by
family members on March 26, 2009. The Cook County Medical Examiner's
Office ruled Sims' death a homicide with the cause of death being
During the course of the investigation, investigators were able to
determine that Sims was in the company of a boyfriend, Tyrik Knight,
before she was reported missing. ISP Special Agents had limited
leads early in the investigation, but remained persistent and
followed through with numerous interviews, tips and visits to known
“Cold cases are extremely hard to solve, but every homicide
investigation remains open and is a priority for the Illinois State
Police’s Cold Case Unit until we solve the case,” said ISP Director
Hiram Grau. “The ISP Special Agents from ISP Zone 1 Cold Case Squad
and the Dolton Police Department have tirelessly worked this case
and remained unrelenting in their efforts to find justice, closure,
and peace for Sims’ family and friends,” Grau added.
Illinois State Police Captain John Biffany also commended the hard
work and dedication of investigators and underscored the importance
of law enforcement collaboration, persistence and follow up on every
single lead – no matter how small.
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“Our Agents remained persistent through the years and relied on
every lead, interview, evidence and law enforcement partnerships to
uncover more than five years of solid investigative police work that
put a murderer behind bars,” said ISP Zone 1 Captain John Biffany.
The ISP Cold Case Squad recently solved the Maria Ridulph cold case
in 2012, a case that went cold for 55 years until the ISP solved the
case in 2012. It is believed to be the oldest cold case in U.S.
The Cook County State’s Attorney’s Office charged Tyrik Knight with
one count of First Degree Murder of Anika Sims.
[Illinois State Police]