The coroner, Magistrate Mikhail Kadiri, gave the assurance on Monday during the adoption of final written addresses by parties in the case.
The family of Sylvester Oromoni, a deceased student of Dowen College in Lagos, is crying for justice one year after the death of the 12-year-old boy.
The state government warned that structures built on waterways will not be spared and that their owners will be prosecuted.
The court said the hearing was mainly for lawyers, and sent out some family members, sympathisers and friends.
The school said other schoolmates who took part in the game had been suspended.
Sokunle Soyemi, a pathologist, said the late Dowen College student had infections of the lungs and liver.
Counsel to the Nigerian Bar Association had argued that “a minor needs to be protected from undue publicity”.
“The girl who ought to testify is sick, the father who ought to be here is attending to the child who is receiving treatment.”
The Ijaw Youth Council has hired the legal services of Anthony George-Ikoli (SAN) to seek justice for young Oromoni.
Dowen College said it was time Nigerians allowed the soul of the 12-year-old Sylvester rest peacefully.
