Texarkana, TX, Records Second Murder

Charges have been upgraded in a Texarkana, Texas, beating -- now that the victim has died.  43-year-old Michael Johnson had been in intensive care since Tuesday evening.  He died about 24 hours later.  Police had arrested 22-year-old Brian Tremayne Porter in connection with that case -- originally on an aggravated assault charge.  That charge has now been upgraded to murder.