One Step Ahead Detective agency specializes in Infidelity (Cheaters) Investigations. We also provide pre-screening services: Criminal, Dating, tenants and Employment. We are certified trainers in CPR and First Aid & AED: including BLS. We certify future Security Guards in post 9/11 training in Weapons of Mass Destruction, Powers to Arrest and other topics. (CA Security Guard Card). Process Service ($40 in Lancaster Area, but $180 and up for traveling out of area (ex. Los Angeles, Etc.)