The Police Boss couldn’t shake off the trauma from the accident he had with Mary when he was giving Ayo a chase for his life without noticing who is tailing him which make him fall completely into Surutu’s trap that makes him sing. Then later got a respond he’ll never wish to have that makes him loose his head from his unknown guests which turns out to be something else after proclaiming payback.
It was Ayo's intention to sell the diamonds for money, not to murder his maid when preventing him from disclosing the secret which ends up leaking to the ruthless people with connection & power who are not only interesting in the diamonds but also his life.
J-one & James Bond do not know that they are brothers but as someone that must be suppress & not given a chance to oppress. The latter happily murders his father as a professional killer without recognizing as anything but a business competitor to his boss. When his unknown victim does become known to him it touches him like a bullet fired into his heart.