Paulo - GTA 1 (PS1)
You may be looking for Kent Paul.

Paulo is a character in Grand Theft Auto 1 and is an associate of El Burro. Paulo, along with Julio, Manolito and Ricardo, inform El Burro of some buses being used to smuggle people across the border, with the protagonist destroying the buses. The protagonist later takes money to them as payment.

He is the third and penultimate to be paid-off, after Manolito, and is encounteresd in southeast Aye Valley (although the dialogue says Atlantic Heights). When he receiving the money, he reveals that his reason to inform about the illegal buses was earn enough to pay a bowel surgery for his mother. He drives a red Mundano.