Christman was also wanted at the time for a probation violation warrant related to a felony gun conviction, according to police.
On Thursday, investigators learned from detectives in Joliet, Illinois, that Christman was believed to be there and arrested him at a residence on a probation violation warrant out of Nashville.
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Andra Christman, 49, was arrested last week in connection with the fatal shooting of his girlfriend, 31-year-old Starlena Sullivan, after her body was found in a creek in December. (Metropolitan Nashville Police Department)
Homicide detectives from Nashville went to Joliet to interview Christman. However, police said he refused to speak with investigators about Sullivan’s death.
Detectives interviewed another citizen in Illinois, who was not publicly named, and said the individual provided investigators with enough information to issue a murder warrant in connection with Sullivan’s death.
Investigators from Nashvile arrested Christman on a murder warrant after learning he was in Joliet, Illinois. (FOX News)
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Christman is currently jailed in Illinois pending extradition to Nashville. He is being held without bond.
No further details on what the citizen told investigators that led to Christman’s arrest were immediately provided.