You can try fanfiction websites like Archive of Our Own (AO3). There are likely many stories there about Reid getting hurt in Criminal Minds. Just use the search function and type in relevant keywords like 'Criminal Minds Reid hurt'.
One scenario could be that Reid gets hurt during a chase. Maybe he trips and falls while running after an unsub, and sprains his ankle. This would slow him down and make him vulnerable.
In many Reid - gets - shot fanfictions, it often focuses on the team's reaction. His friends, like Morgan and Garcia, would be extremely worried. They might rush him to the hospital while trying to keep their emotions in check. The angst and worry would be palpable as they wait for news on his condition.
You can try fanfiction websites like Archive of Our Own (AO3). There are often a plethora of stories related to Spencer Reid getting hurt. Just use the search function on the site and type in relevant keywords like 'Spencer Reid hurt' within the Criminal Minds section.
One common theme is Reid's vulnerability. Fans often explore how his intelligence and unique personality can make him a target in different ways. For instance, in some fics, his prodigious memory might be used against him, leading to his emotional or physical hurt.
One great fanfiction idea could be exploring Baby Reid's early signs of his genius. Maybe in the story, even as a baby, he shows an uncanny ability to notice patterns in the simplest of things around him, like the way the leaves fall from the trees in a particular order. It could also focus on how his family first reacted to his extraordinary intelligence, whether they were in awe or a bit scared at first.
One great place to find Criminal Minds Hurt Reid fanfiction is Archive of Our Own (AO3). There are numerous stories there. For example, 'Fractured' which delves deep into Reid's emotional turmoil after a particularly harrowing case. It really captures his vulnerability and the team's reaction to his pain.
Some fanfictions might also focus on the mystery or the circumstances surrounding Reid's injury. It could be related to a case they were working on, and the story delves into how the team tries to solve the mystery of who hurt Reid and why, all while dealing with the fact that he's injured.
One popular 'Criminal Minds' fanfic where Prentiss gets hurt is 'In the Line of Duty'. It shows how the team reacts when she is injured during a case. It's a great read for those who like to see the emotional and professional responses of the characters.
One popular fanfiction might be 'The Darkest Hour for Reid'. In it, Reid endures both physical and psychological torture, which really tests his character. It shows his resilience and the team's desperate attempts to rescue him.
It could be that Reid has unknowingly crossed paths with a criminal organization. They kidnap him to extract information about the FBI's investigations into their activities. Reid has to endure torture and interrogation, but he also tries to analyze his captors' behavior to find a way to escape.