A 21-year-old man has been charged with second-degree murder after allegedly shooting dead his fiancée at their Minnesota home on Easter morning while holding their baby daughter in his arms . Dimitri Harrell reportedly pulled out his gun and pointed it at 19-year-old Samirria White after they started arguing over his 'infidelity ' in the bedroom of their St Paul apartment at around 3.40am . Carrying the couple 's three-month-old child , he then shot Miss White in the face at close range , according to police . When medics arrived at the scene , they pronounced the young mother dead . Now , Harrell , who later admitted to having stored his handgun under his daughter 's mattress , has been charged with one count of second-degree murder at Ramsey County District Court . Shooting : Dimitri Harrell ( right ) has been arrested after allegedly shooting dead his fiancée , Samirria White ( left ) , at their Minnesota home on Easter morning while holding their baby daughter ( center ) in his arms . The suspect , who had 'trust issues ' with Miss White after having two children by another woman , remains in custody in lieu of $ 200,000 bail . If convicted , he faces up to 40 years in prison . In the moments before Sunday 's shooting , Harris had been arguing with Miss White after he had vanished from the apartment several times during the night , arousing her suspicions , relatives said . During an interview with police , the suspect apparently told officers he had then tried to pull his gun - which he had bought several days earlier - from his pocket while holding the couple 's baby daughter . However , the weapon had accidentally discharged , he said , causing a bullet to strike Miss White in the face , according to the Star Tribune . It is unclear whether he explained why he took out the gun . Tragic : Harrell reportedly pulled out his gun and fired at 19-year-old Miss White ( pictured with their daughter ) after they started arguing over his 'infidelity ' in the bedroom of their St Paul apartment at around 3.40am . Arrest : Now , Harrell has been charged with one count of second-degree murder at Ramsey County District Court . Above , the suspect is pictured in his mug shot ( left ) and posing with Miss White and their baby ( right ) Several people - including some of the victim 's siblings - were also in the property at the time of the alleged murder . Many of them heard yelling come from the couple 's bedroom , CBS reported . Miss White 's 16-year-old brother , who woke up after apparently hearing his sister scream 'Do n't point that gun at me ! ' , ran into the room when he heard the gunshot . There , he found his sister dead . The boy yelled at Harrell to get away from Miss White , according to a complaint obtained by the Tribune . In response , the suspect apparently told him it was an accident and fled the scene . After emergency crews arrived at the scene , Miss White was declared dead and the bedroom was cordoned off . Police later found the gun on Harrell 's 'close friend ' , who was in the apartment . Scene : The shooting occurred in the 800 block of Pierce Butler Route ( pictured ) in Minnesota on Sunday . Family : In the moments before Sunday 's shooting , Harris had been arguing with Miss White after he had vanished from the apartment several times during the night , arousing her suspicions , relatives said . The man , who has not been identified by officials , had reportedly received the weapon from Harrell just minutes after the shooting . The suspect had apparently told him : 'Do something with this ' . Harrell , who is pictured with Miss White and their daughter in numerous Facebook photos , told police that their relationship had been rocky since the births of his two children by a different woman . On Tuesday , relatives described Miss White , a former Humboldt Senior High School student , as a 'spontaneous ' and loving woman who had hoped to become a nurse and adored her daughter . On her Facebook page , Miss White lists the date she got engaged as March 23 , 2012 . She also reveals that she was born in Elgin , Illinois . Her three-month-old daughter 's name is unknown.. Pregnancy : On Tuesday , relatives described Miss White ( left , pregnant with Harrell and right , in another pregnancy shot ) as a 'spontaneous ' woman who had hoped to become a nurse and adored her daughter .
Dimitri Harrell , 21 , was arguing with Samirria White , 19 , over his 'infidelity ' With three-month-old daughter in his arms , he apparently pulled out a gun . He then shot his fiancée in the face at close range , killing her , officials said . Now , Harrell has been charged with single count of second-degree murder . He revealed to police he had stored the gun under his daughter 's mattress . Also claimed he shot victim accidentally while pulling weapon from pocket . Harrell caused 'trust issues ' after having two children with another woman . In custody on $ 200,000 bail ; if convicted , faces up to 40 years behind bars .