This booking photo provided by the Hamilton County Sheriff's Department on Thursday, Jan. 20, 2013, shows Micah Harrison, who is accused of fatally stabbing his 2-year-old son in Nobles

 

              This booking photo provided by the Hamilton County Sheriff
This booking photo provided by the Hamilton County Sheriff's Department on Thursday, Jan. 20, 2013, shows Micah Harrison, who is accused of fatally stabbing his 2-year-old son in Noblesville, Ind., Wednesday. Harrison, 30, of Robertsdale, Ala., feared someone was trying to kill him Wednesday when he fatally stabbed his 2-year-old son, Michael, in the chest with a kitchen knife and in the forehead with a nail-pulling tool, police said in a probable cause affidavit. (AP Photo/Hamilton County Sheriff's Department)