Published: May 23, 2014 1:15 PM EDT

LEE COUNTY, Fla.- New documents reveal the State will seek the death penalty against Steven Tompkins.

Tompkins is accused of murdering his mother, Shelly, and his brother, Daniel, in their Lehigh Acres home.

Tompkins and his girlfriend, Joycelin Luck, fled the state. They were picked up by authorities in Wyoming.

Luck recently took a plea deal and will testify against Tompkins at trial.