diff --git a/go-backend/internal/handlers/admin_handler.go b/go-backend/internal/handlers/admin_handler.go
index 2b11b34..b57188d 100644
--- a/go-backend/internal/handlers/admin_handler.go
+++ b/go-backend/internal/handlers/admin_handler.go
@@ -1223,15 +1223,41 @@ func (h *AdminHandler) ReviewModerationFlag(c *gin.Context) {
 		var postID, commentID *uuid.UUID
 		h.pool.QueryRow(ctx, `SELECT post_id, comment_id FROM moderation_flags WHERE id = $1`, flagUUID).Scan(&postID, &commentID)
 
+		// Remove the flagged content
+		if postID != nil {
+			h.pool.Exec(ctx, `UPDATE posts SET status = 'removed', deleted_at = NOW() WHERE id = $1`, postID)
+		}
+		if commentID != nil {
+			h.pool.Exec(ctx, `UPDATE comments SET status = 'removed', deleted_at = NOW() WHERE id = $1`, commentID)
+		}
+
 		var authorID *uuid.UUID
 		if postID != nil {
 			h.pool.QueryRow(ctx, `SELECT author_id FROM posts WHERE id = $1`, postID).Scan(&authorID)
 		}
-		if commentID != nil {
+		if commentID != nil && authorID == nil {
 			h.pool.QueryRow(ctx, `SELECT author_id FROM comments WHERE id = $1`, commentID).Scan(&authorID)
 		}
 		if authorID != nil {
-			h.moderationService.UpdateUserStatus(ctx, *authorID, "banned", adminUUID, req.Reason)
+			// Ban the user
+			h.pool.Exec(ctx, `UPDATE users SET status = 'banned' WHERE id = $1`, authorID)
+			// Revoke all refresh tokens
+			h.pool.Exec(ctx, `UPDATE refresh_tokens SET revoked = true WHERE user_id = $1`, authorID)
+			// Jail all their content
+			h.pool.Exec(ctx, `UPDATE posts SET status = 'jailed' WHERE author_id = $1 AND status = 'active' AND deleted_at IS NULL`, authorID)
+			h.pool.Exec(ctx, `UPDATE comments SET status = 'jailed' WHERE author_id = $1 AND status = 'active' AND deleted_at IS NULL`, authorID)
+			// Log status change
+			h.pool.Exec(ctx, `INSERT INTO user_status_history (user_id, old_status, new_status, reason, changed_by) VALUES ($1, 'active', 'banned', $2, $3)`, authorID, req.Reason, adminUUID)
+			// Send ban email
+			if h.emailService != nil {
+				var userEmail, displayName string
+				h.pool.QueryRow(ctx, `SELECT u.email, COALESCE(p.display_name, '') FROM users u LEFT JOIN profiles p ON p.id = u.id WHERE u.id = $1`, authorID).Scan(&userEmail, &displayName)
+				if userEmail != "" {
+					go func() {
+						h.emailService.SendBanNotificationEmail(userEmail, displayName, req.Reason)
+					}()
+				}
+			}
 		}
 	}
 
diff --git a/go-backend/scripts/fix_moderation_flags_status.sql b/go-backend/scripts/fix_moderation_flags_status.sql
new file mode 100644
index 0000000..0329523
--- /dev/null
+++ b/go-backend/scripts/fix_moderation_flags_status.sql
@@ -0,0 +1,4 @@
+-- Drop old restrictive CHECK and add one matching the actual statuses used
+ALTER TABLE moderation_flags DROP CONSTRAINT IF EXISTS moderation_flags_status_check;
+ALTER TABLE moderation_flags ADD CONSTRAINT moderation_flags_status_check
+  CHECK (status = ANY (ARRAY['pending', 'approved', 'rejected', 'escalated', 'dismissed', 'actioned']));