The best way to learn to spot a conspiracy theory is to make one yourself.
Pick a real news story. On the next step you'll choose who's behind it and why. Then walk through the four moves real conspiracists use, with a debunk on every step.
Choose whichever real-feeling headline your imagination will run wildest with. Don't overthink it.

Spain’s cabrales blue cheese set a new world record when a 2.2kg wheel sold at auction for €30,000, making it officially the most expensive cheese ever sold. The wheel took the top prize at the Principality of Asturias’ annual cabrales competition, and the high bid surpassed the previous record. Reporters say the buyer was the same restaurant owner who paid the earlier record price in 2019.

Scientists presented results from the OPERA study showing artificial intelligence can analyze heart ultrasound scans in about one minute, compared with roughly 30 minutes for trained human experts. The project, led by the University of Glasgow in partnership with AstraZeneca and NHS trusts including Greater Glasgow & Clyde and the Golden Jubilee, demonstrated the AI’s ability to interpret echocardiograms quickly and consistently during a presentation at the European Society of Cardiology conference in Amsterdam.

Spain's annual Tomatina festival draws thousands each year to the town of Buñol, where participants playfully pelt one another with overripe tomatoes. This year about 15,000 people, many tourists, threw roughly 120 tonnes of fruit, turning streets and buildings into red pulp. The event lasts about an hour, and people commonly wear goggles and old clothes; there is a small participation fee of about €12 to help manage the crowd.

Apple has filed a patent application that describes using motion sensing to detect lip and head movements so Siri could recognize commands without relying only on a microphone. The filing, titled "Keyword Detection Using Motion Sensing," explains how analyzing mouth shapes and subtle head motions might identify common phrases, which could help the assistant work better in noisy environments or avoid false activations from background speech.