In UK people can draw disability and work. Disability allows them to buy in the help they need to enable them to work.
How To Report Someone Drawing Disability And Working?
Since this might be fraud you should report it to the appropriate agency's that make the disability payments, it may be that the person is allowed to work and draw some disability in your state.
My son-in-law worked in 2008, earning 4000.00 to 6,000.00 a month while drawing SS disability. He worked approximately 8 months. Is this legal? I think it may be the reason they still haven't filed taxes for that year.