Police have confirmed they have in their custody one of the prime suspects in the murder of Monica Kimani, the 29 year old lady whose body was found in a bathtub in Kilimani, here in Nairobi. Joseph Kuria Irungu was arrested at his home in Langata Tuesday at 5 in the morning. According to Kilimani OCPD Michael Muchiri, the suspect is still aiding police in investigations pending his appearance in court within the next 24 hours.