A convicted killer has escaped from custody in Salina, Kansas, and authorities are expected to put out a statewide alert today.

Law officers on the ground and in the air fanned out around the community searching for 29-year-old Antonino Brown, convicted in October, 2011 in the death of a 14-month old boy.

Saline County Sheriff Glen Kochanowski said it was human error that led to the escape. He says Brown was being brought back to the Saline County Jail for a sentencing hearing scheduled Tuesday.

The Sheriff said that Brown may have been gone for about 10 minutes before he was noticed missing.

Kochanowski said Brown was put in the holding cell after being brought in from the Mitchell County Jail where he had been housed most of the time since his arrest. The Sheriff said because of the nature of the charges against Brown, he was moved from Saline County for safety reasons.

Handcuffs and shackles that Brown was wearing were taken off once he was put in the holding cell, that is also used to watch inmates who are on suicide watch.

Brown is about 5’11″ tall, weighs 158 pounds and was last seen wearing white t-shirt, gray jail pants and crocs shoes.

Officials say he should be considered extremely dangerous.