diff --git a/src/controllers/ScanController.ts b/src/controllers/ScanController.ts
index a9e0cd8..6127e8a 100644
--- a/src/controllers/ScanController.ts
+++ b/src/controllers/ScanController.ts
@@ -1,6 +1,7 @@
-import { Authorized, Get, JsonController } from 'routing-controllers';
+import { Authorized, Get, JsonController, OnUndefined, Param } from 'routing-controllers';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
 import { getConnectionManager, Repository } from 'typeorm';
+import { ScanNotFoundError } from '../errors/ScanErrors';
 import { Scan } from '../models/entities/Scan';
 import { ResponseScan } from '../models/responses/ResponseScan';
 import { ResponseTrackScan } from '../models/responses/ResponseTrackScan';
@@ -21,7 +22,7 @@ export class ScanController {
 	@Authorized("SCAN:GET")
 	@ResponseSchema(ResponseScan, { isArray: true })
 	@ResponseSchema(ResponseTrackScan, { isArray: true })
-	@OpenAPI({ description: 'Lists all runners from all teams/orgs. <br> This includes the runner\'s group and distance ran.' })
+	@OpenAPI({ description: 'Lists all scans (normal or track) from all runners. <br> This includes the runner\'s group and distance ran.' })
 	async getAll() {
 		let responseScans: ResponseScan[] = new Array<ResponseScan>();
 		const scans = await this.scanRepository.find();
@@ -31,17 +32,18 @@ export class ScanController {
 		return responseScans;
 	}
 
-	// @Get('/:id')
-	// @Authorized("DONOR:GET")
-	// @ResponseSchema(ResponseDonor)
-	// @ResponseSchema(DonorNotFoundError, { statusCode: 404 })
-	// @OnUndefined(DonorNotFoundError)
-	// @OpenAPI({ description: 'Lists all information about the runner whose id got provided.' })
-	// async getOne(@Param('id') id: number) {
-	// 	let donor = await this.donorRepository.findOne({ id: id })
-	// 	if (!donor) { throw new DonorNotFoundError(); }
-	// 	return new ResponseDonor(donor);
-	// }
+	@Get('/:id')
+	@Authorized("DONOR:GET")
+	@ResponseSchema(ResponseScan)
+	@ResponseSchema(ResponseTrackScan)
+	@ResponseSchema(ScanNotFoundError, { statusCode: 404 })
+	@OnUndefined(ScanNotFoundError)
+	@OpenAPI({ description: 'Lists all information about the runner whose id got provided.' })
+	async getOne(@Param('id') id: number) {
+		let scan = await this.scanRepository.findOne({ id: id })
+		if (!scan) { throw new ScanNotFoundError(); }
+		return scan;
+	}
 
 	// @Post()
 	// @Authorized("DONOR:CREATE")
diff --git a/src/errors/ScanErrors.ts b/src/errors/ScanErrors.ts
new file mode 100644
index 0000000..77894df
--- /dev/null
+++ b/src/errors/ScanErrors.ts
@@ -0,0 +1,25 @@
+import { IsString } from 'class-validator';
+import { NotAcceptableError, NotFoundError } from 'routing-controllers';
+
+/**
+ * Error to throw when a Scan couldn't be found.
+ */
+export class ScanNotFoundError extends NotFoundError {
+	@IsString()
+	name = "ScanNotFoundError"
+
+	@IsString()
+	message = "Scan not found!"
+}
+
+/**
+ * Error to throw when two Scans' ids don't match.
+ * Usually occurs when a user tries to change a Scan's id.
+ */
+export class ScanIdsNotMatchingError extends NotAcceptableError {
+	@IsString()
+	name = "ScanIdsNotMatchingError"
+
+	@IsString()
+	message = "The ids don't match! \n And if you wanted to change a Scan's id: This isn't allowed!"
+}
\ No newline at end of file