NAIROBI, Kenya, Jan 28 — The body of a seven-year-old boy who went missing on Sunday has been recovered in Nairobi’s Dagoretti area after a four-day search. The Directorate of Criminal Investigations (DCI) said Friday that its detectives found the victim’s body dumped in Kirigu location on Thursday evening. The agency said that its detectives had earlier arrested the victim’s relative in connection with his disappearance and murder. “Dagoretti-based detectives who scrupulously pursued the missing child report filed by the child’s mother at Kirigu Police Post, had earlier arrested one suspect; …