Superintendent Wayne Cameron, head of the St. Andrew South Police, said 50 passports were found in Mr. Brown's possession.
He wants persons who have given passports to Mr. Brown to report to the Hunts Bay Criminal Investigations Branch.
He sad statements have already been collected from two persons whose passports were found in Mr. Brown's possession.
A post mortem is to be conducted Tuesday on Mr. Brown's body.
It was initially reported that he had been shot.
However, Superintendent Cameron, told RJR News that the circumstances which led to Mr. Brown's death are unclear.
