KEPR TV, PASCO, WA - One man is behind bars, believed to be responsible for destroying a Richland home by setting two fires. Abrahan Liberty Carias, 23, was arrested and booked into the Benton County Jail on Friday. Authorities say they were first called out for a house fire at about 7 p.m. in the 1400 block of Short Avenue. When they arrived, Richland fire was able to extinguish the flames. Investigators say no one was found at the home, it was secured with plywood. Four hours later, Richland police were called back out for a report of an assault, involving a resident of the home that had previously been on fire. Authorities say Carias had assaulted his neighbor, he was detained and treated by medics. Officials noticed smoke coming from the home a second time, and RFD was called out again. According to court documents obtained by Action News, Carias allegedly admitted to the medic treating him that he set the fires himself. Documents say when officers were investigating the fires the next day, they found a box of matches outside the window of the home. Inside the home, investigators say they found a "bunch of matches that were not there in the first call," on top of insulation that had been torn from the ceiling while extinguishing the fire on the first call. Authorities say the Livingroom was covered in one-to-two feet of insulation. On top of the insulation, was a trail of burned and unburned matches leading from the kitchen window, throughout the kitchen and the Livingroom, to a pile of wooden matches according to documents. Authorities say the home is a complete loss. Carias has been booked into the Benton County Jail on arson-1, simple assault, provoking and assault, according to jail records.