Gurugram, June 25 -- A three-year-old boy whose body was found with his throat slit in Faridabad's Shiv Durga Vihar on Sunday morning was allegedly murdered by his stepfather, who police said killed the child because he was upset that his wife frequently visited her son from a previous marriage. Police on Wednesday said the accused, 26, a resident of SGM Nagar, Faridabad, was arrested by a crime branch team on Tuesday. Police recovered the alleged murder weapon, a knife, from the residence of the family on Wednesday, officers added. According to investigators, the accused had married the victim's mother about a year ago. "The deceased's mother frequently visited her parental home in Shiv Durga Vihar from SGM Nagar to meet her son from her p...