39-year-old James Cobb Hutto the third of Jasper, Alabama was arrested Friday on attempted murder and robbery charges.
The Lee County Sheriff's Office says Hutto stabbed a 56-year-old Opelika man several times in the neck Friday.
The victim survived the attack.
Authorities believe earlier this week, Hutto murdered an 81-year-old woman in Mississippi and stole her car.
He then allegedly went to Birmingham where he killed a relative.
Police in Mississippi say Hutto is a convicted sex offender.
Authorities have not released a possible motive.