"I can unlock the simple locks with this."
In Resident Evil 3: Nemesis this item can be found in the S.T.A.R.S. office. It is noticeable, that this lockpick can be seen at Jill's desk. This is necessary item in the game for opening the simple locks. There four locations in the game, where it can be used.The first is the simply locked cabinet in the Evidence Room in the Raccoon Police Station. After the locked is opened, the single jar of Gun Powder B can be obtained.
After the second use of lockpick, Jill makes her way to the Downtown. There is simply locked door, that located on the Cross of the Fisson Street and Ennerdale Street and must be opened by the lockpick.
The fourth use of lockpick makes the entrance to the Raccoon Park possible. There is a simply locked door on the Park street. Entering this Patrol room, Jill can obtain the Main Gate Key for entering the Park.
The locked doors and the locker read the message "It's locked with a simple lock.". When unlocking the locker in the evidence room and the safe in the restaurant, Jill will be asked if she wants to use lockpick, but the simply locked doors in the game will automatically opened with message "You've used the Lockpick."
Even after all possible uses of the lockpick, this item cannot be discarded by the system message.
- BIOHAZARD 3 LAST ESCAPE OFFICIAL GUIDEBOOK. Famitsu. 1999.