In Resident Evil Code: Veronica, Steve is also trying to escape from the island together with Claire.
Why was Steve sent to the island?
Because he wrote graffiti on the Spencer Mansion from RE1.
He knew too many of the Ashford family's secrets.
His father tried to sell Umbrella confidential info to outside sources.
RE0 - I've Seen That Equipment Before!
RE2 - The Picture on Jill's Desk...
RE1 - What Surprised Jill?
RE4 - What Happened to the Jacket?
RE2 - Letter to Claire
RE2 - The Outfit Behind Ada's Trenchcoat