Here is a list of mission IDs that you can configure in your PolicePursuit.ini Simple set 'ForceMission' to any of the ID numbers below:

1 = Vehicle Theft
2 = Vehicle Theft (Alternative)
3 = Man With Gun/Making Threats
4 = Subject Escaped From Prison
5 = Gang Activity
6 = Robbery In Progress
7 = VIP Transport
8 = Suspicious Activity
9 = Terrorist Activity
10 = Officer Needs Assistance
11 = Hostage Situation