Auto – Misrepresentations in advertising or sales of new and used cars, lemons, faulty repairs, leasing and towing disputes
Credit/Debt – Billing and fee disputes, mortgage-related fraud, credit repair, debt relief services, predatory lending, illegal or abusive debt collection tactics
Home Improvement/Construction – Shoddy work, failure to start or complete the job; A tie with Retail
Sales – False advertising or other deceptive practices, defective merchandise, problems with rebates, coupons, gift cards and gift certificates, failure to deliver
Utilities – Service problems or disputes with phone, cable, satellite, Internet, electric and gas service
Services – Misrepresentations, shoddy work, failure to have required licenses, failure to perform
Internet Sales – Misrepresentations or other deceptive practices, failure to deliver online purchases
Household Goods – Misrepresentations, failure to deliver, faulty repairs in connection with furniture or appliances, and
Landlord/Tenant – Unhealthy or unsafe conditions, failure to make repairs or provide promised amenities, deposit and rent disputes, illegal eviction tactics
Fraud – Bogus sweepstakes and lotteries, work-at-home schemes and other schemes
Home Solicitations – Misrepresentations or failure to deliver in door-to-door, telemarketing or mail solicitations, do-not-call violations.
http://liarcatchers.com/fraud_investigation.html