<text>  An Illinois man has been found guilty of beating to death his girlfriends 3-year-old son after the toddler uttered a swear word while playing video game Mortal Kombat. A judge Tuesday convicted Thomas Albea, of Waukegan, of first-degree murder in the 2011 killing of XZavion Charleston. During Albeas two-day bench trial, the prosecution presented in court the defendants videotaped confession, in which the 22-year-old admitted to striking the little boy four of five times, although a coroner has concluded that the child likely suffered no fewer than seven blows. Justice for XZavion: Thomas Albea left, 22, of Illinois, has been convicted of first-degree murder in the 2011 beating death of 3-year-old XZavion Charleston right Cruel punishment: Prosecutors said Albea repeatedly struck the toddler in the abdomen after XZavion uttered a swear word while playing the video game Mortal Kombat . The incident took place at around 11pm on September 14, 2011, while Albea, then 18 years old, was looking after his girlfriends son in the 1700 block of McAree Road. Prosecutors said little XZavion was playing the violent fighting game Mortal Kombat while waiting for his dinner when he used an unspecified expletive, followed by the words, he got me, reported Chicago Tribune. Albea responded to the childs outburst by striking him in the abdomen. The teen suspect initially told police that he hit XZavion only once, but he later admitted that he struck the toddler multiple times. The boy was rushed to Childrens Memorial Hospital in Chicago, where he died the next day from what the Cook County Medical Examiner described in the autopsy report as catastrophic injuries to his internal organs and abdomen. Albeas then-girlfriend, QaChelle Charleston, was upstairs at the time of her sons killing. Cover-up: Albea initially told his then-girlfriend, QaChelle Charleston left, that her son had fallen. A medical examiner later determined that XZavion right suffered catastrophic injuries to his internal organs . When she came down to feed her son and noticed that something was wrong with him, Albea lied to her that XZavion had fallen. Albeas attorney, Gillian Gosch, argued during the trial that her client did not intend to kill or seriously hurt XZavion. But Judge Mark Levitt rejected Goschs argument and subsequent plea for a not guilty verdict, stating that the extent of the 3-year-olds injuries shows that the brutal attack was more than an act of recklessness, or an attempt to discipline the boy for his transgression. Albea could face 20 to 60 years in prison when he is sentenced April 22. 