NEW : Suspect 's mother recounts in an Internet post a prison visit with Evan Ebel . Colorado 's governor says he has known Ebel since childhood . Authorities are working to link Evan Ebel , Thursday , to the killing of Texas 's prison chief . Denver investigators tell CNN there is a `` strong connection '' between the killings of Leon and Clements . Evan Ebel died 28 after following a shootout with Texas authorities .
NEW : Suspect 's mother recounts in an Internet post a prison visit with Evan Ebel . Colorado 's governor says he has known Ebel since childhood . Authorities are working to link Evan Ebel , Thursday , to the killing of Texas 's prison chief . Evan Ebel died 28 after following a shootout with Texas authorities .