A child custody dispute is believed to have led to an exchange of gunfire Monday morning at a residence south of Joplin that left a woman dead and two men wounded, one of whom has been taken into custody, according to the Newton County sheriff.

Sheriff Chris Jennings said a 58-year-old man is being held following the shooting of Sarah Tyminski, 32, and her boyfriend, Chris Lamb, 35, outside their residence at 8571 Eloise Lane.

Deputies responded to a call at 11:22 a.m. reporting a shooting at the address about 3 miles south of Joplin.

"We got there and located a white female deceased from a gunshot wound," Jennings said.

He identified the woman as Tyminski and said her boyfriend, Lamb, was taken to Mercy Hospital Joplin with a gunshot wound to his chest. A second man involved in the shooting was treated at Freeman Hospital West for a gunshot wound in his shoulder and released to the custody of the sheriff's office, Jennings said. The sheriff said the suspect's name is being withheld pending the filing of charges.

Jennings said investigators believe the suspect came to the address and shot Tyminski.

"He was also shot in an exchange of gunfire with Lamb," the sheriff said.

He said there may have been as many as eight shots fired in the incident that took place outside the residence.

"We were told this was an argument over child custody," Jennings said.

The sheriff said there were no children present at the scene of the shooting.

Jeff Lehr is a reporter for The Joplin Globe. 

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