An elderly couple driving home from a visit to their granddaughter were pulled over and ordered out of their car by a heavy-handed sheriff 's deputy , who subjected them to a 20-minute interrogation about heroin smuggling . Cancer sufferer Charles Tharp , 69 , and his wife found themselves confronted with a sniffer dog and asked whether they had heroin , methamphetamines ir ecstasy stashed in their Toyota . The overzealous sheriff 's deputy pulled the pair over on a highway in Walton County , Georgia , and took issue with their window tint before moving on to illegal narcotics . Scroll down for video . Drug interrogation : Charles Tharp , 69 , was ordered out of his Toyota by an overzealous deputy in Walton County , Georgia . Couple : Tharp and his wife , who has not been named , were asked whether they had a variety of narcotics , including heroin and ecstasy , in their car . Dashcam footage of the ordeal , obtained by CBS46 , shows Tharp , who suffers back pain , standing outside for the duration of the stop in blustery weather . The deputy can be heard asking which drugs Tharp might have in the car . He lists methamphetamines , heroin and ecstasy in turn , to which Tharp replies 'no , sir ' each time . The officer had initially said that the windows on Tharp 's Toyota , which are factory-issue , were tinted too darkly . He took a measurement at the roadside which seemingly confirmed his suspicion - but it was later disproved by a test from the car 's dealership . Serious : The deputy brought out a snarling sniffer dog to examine their car . Unusual vacation : The Tharps were driving home through Georgia after a visit to the granddaughter , above , who lives in Texas . The Tharps were only passing through Georgia the time . They were on their way home to North Carolina after visiting their granddaughter in Texas . In response to the unexpected stop , Tharp said : ' I do n't honestly know what the stereotype looks like for a heroin smuggler . 'But I do n't think a couple of senior citizens driving a handicapped license plate car with their little cocker spaniel really looks like we 're much of a threat to anybody . ' Walton County Sheriff 's Department are now investigating the incident . A spokesman for the department admitted : 'In hindsight , maybe he did go a little far ' .
Charles Tharp , 69 , and his wife were pulled over on a Walton County highway . Georgia sheriff 's deputy ordered them out and asked about drugs . Tharp denied having heroin or ecstasy - deputy used sniffer dog to check . Ordeal went on 20 minutes and was painful for Tharp , who has back trouble . Spokesman for sheriff 's department said 'maybe he did go a little far '