Parents of Navy Lt. David Adeyemi Sowole, 32, the co-pilot of the ill-fated Navy helicopter that crashed on Saturday sat forlorn at their 28, Akintoye Street home, mourning their son and breadwinner.Parents of Navy Lt. David Adeyemi Sowole, 32, the co-pilot of the ill-fated Navy helicopter that crashed on Saturday sat forlorn at their 28, Akintoye Street home, mourning their son and breadwinner.