Tennesee authorities say they plan on charging minister's wife in his shooting death.
— Mary Winkler.
— Tennessee Bureau of Investigation says she will be charged with first-degree murder.
— Matthew Winkler.
— He was the minister at Selmer Church of Christ.
— Winkler was found shot to death in the parsonage Wednesday.
— The couple has three young daughters.
— Selmer, a town of about 4,600 in western Tennessee.
— Mary and Matthew Winkler met at the Church of Christ-affiliated Freed-Hardeman University in Henderson.
— Winkler's father was a minister and adjunct professor at the school.