PICTURED: Three-month old baby who was killed in police shootout after his father 'murdered the child's mother and her nephew and then kidnapped the infant'
La'Mello Parker, aged three months, died after being shot during gunfire exchange between police and his father, Eric Smith, who was also killed
Smith, 30, was accused of shooting and killing his ex-girlfriend, Christin Parker, and her nephew, Brandon Parker, in Louisiana, and then kidnapping his son
Law enforcement officers chased Smith for 130 miles before his car got stuck in a grassy median in Biloxi, Mississippi, on Monday afternoon
Police said officers opened fire on Smith after he got out of the vehicle, killing him; his son was shot, too