Channel A's 'Detectives' Trade Secret' tracks the shocking crimes of a man who impersonated a bus driver, posing a serious risk of a major accident.

According to circumstances revealed through a citizen tip-off, the man was wearing a bus driver uniform and sitting in the driver's seat, but was an impostor, not the actual driver. He wandered around various bus company depots, sneaked onto buses, sat in the driver's seat, and did not hesitate to commit extremely dangerous acts such as manipulating the gears of a vehicle in operation.

It was also confirmed that at some bus companies, he was wearing lost uniforms and stole cash from fare boxes before fleeing. The investigation further revealed that he had been frequenting a specific company for about a year, using the employee cafeteria and riding buses for free. Even more surprisingly, testimony emerged that at another company, he had been posing as a trainee driver and riding buses for the past six to seven years.

Upon hearing the story, MC Defconn said, "I've seen all kinds of impersonation, but this is the first time in my life I've heard of someone impersonating a bus driver." Yoo In-na said, "If the driver of the bus I'm on were an impostor, that would be more terrifying than anything else." Kim Poong pointed out, "There's a possibility this could be exploited for a major crime, so it's extremely dangerous." Among citizens, there are growing calls to thoroughly prevent such incidents before they escalate into major accidents, as well as concerns that the impostor may still be riding buses.

Meanwhile, on this episode, comedian Kim Min-kyung appears as a one-day detective under the nickname 'Babie-inhyong' (Rice Doll). Kim Min-kyung revealed that she is a '44-year veteran of being single since birth' and shared an anecdote about being suspicious when a younger man confessed his feelings to her in the past. Defconn joked to the detective sitting next to Kim Min-kyung, "Your portrait looks exactly like a father-in-law." The detective then mentioned Kim Min-kyung as a potential daughter-in-law, saying, "My son recently broke up with his girlfriend," drawing laughter. Kim Min-kyung shot back, "That's funny — when I arrived, the father pulled out a chair for me," turning the studio into a sea of laughter.

'Detectives' Trade Secret' airs on Monday, August 3, at 10 p.m.