diff --git a/lang/Jailbreak.English/Warden/WardenCmdOpenLocale.cs b/lang/Jailbreak.English/Warden/WardenCmdOpenLocale.cs
index 0c220712..6fcef3a8 100644
--- a/lang/Jailbreak.English/Warden/WardenCmdOpenLocale.cs
+++ b/lang/Jailbreak.English/Warden/WardenCmdOpenLocale.cs
@@ -34,6 +34,26 @@ public IView CellsOpened
       WardenLocale.PREFIX, ChatColors.Grey + "Cells were auto-opened."
     };
 
+  public IView CellsOpenedWithPrisoners(int prisoners) {
+    return new SimpleView {
+      WardenLocale.PREFIX,
+      "Detected",
+      prisoners,
+      ChatColors.Green + "prisoner" + (prisoners == 1 ? "" : "s")
+      + " still in cells, opening..."
+    };
+  }
+
+  public IView CellsOpenedSnitchPrisoners(int prisoners) {
+    return new SimpleView {
+      WardenLocale.PREFIX,
+      "Detected",
+      prisoners,
+      ChatColors.Green + "prisoner" + (prisoners == 1 ? "" : "s")
+      + " still in cells..."
+    };
+  }
+
   public IView OpeningFailed
     => new SimpleView { WardenLocale.PREFIX, "Failed to open the cells." };
 }
\ No newline at end of file
diff --git a/mod/Jailbreak.Warden/Global/WardenBehavior.cs b/mod/Jailbreak.Warden/Global/WardenBehavior.cs
index aa162fcf..e039c767 100644
--- a/mod/Jailbreak.Warden/Global/WardenBehavior.cs
+++ b/mod/Jailbreak.Warden/Global/WardenBehavior.cs
@@ -16,6 +16,7 @@
 using Jailbreak.Public.Mod.Warden;
 using Jailbreak.Public.Mod.Zones;
 using Jailbreak.Public.Utils;
+using Jailbreak.Zones;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using MStatsShared;
@@ -58,6 +59,11 @@ public class WardenBehavior(ILogger<WardenBehavior> logger,
     new("css_jb_warden_opencells_delay",
       "Delay in seconds to auto-open cells at, -1 to disable", 60);
 
+  public static readonly FakeConVar<bool> CV_WARDEN_AUTO_SNITCH =
+    new("css_jb_warden_auto_snitch",
+      "True to broadcast how many prisoners were in cells when they auto-open",
+      true);
+
   public static readonly FakeConVar<int> CV_WARDEN_HEALTH =
     new("css_jb_warden_hp", "HP for the warden", 125, ConVarFlags.FCVAR_NONE,
       new RangeValidator<int>(1, 200));
@@ -409,18 +415,57 @@ public HookResult OnRoundStart(EventRoundStart ev, GameEventInfo info) {
 
     openCellsTimer?.Kill();
     openCellsTimer = parent.AddTimer(CV_WARDEN_AUTO_OPEN_CELLS.Value, () => {
-      if (openCmd.OpenedCells) return;
-      var zone = provider.GetService<IZoneManager>();
-      if (zone != null)
-        MapUtil.OpenCells(zone);
+      var cellZone = getCellZone();
+
+      var prisoners = PlayerUtil.FromTeam(CsTeam.Terrorist)
+       .Count(p => p.Pawn.Value != null && p.Pawn.Value.AbsOrigin != null
+          && cellZone.IsInsideZone(p.Pawn.Value?.AbsOrigin!));
+
+      if (openCmd.OpenedCells) {
+        if (CV_WARDEN_AUTO_SNITCH.Value && prisoners > 0)
+          cmdLocale.CellsOpenedSnitchPrisoners(prisoners);
+        return;
+      }
+
+      var zoneMgr = provider.GetService<IZoneManager>();
+      // Regardless of if we actually _detect_ prisoners in cells,
+      // we should still open them (for convenience)
+      if (zoneMgr != null)
+        MapUtil.OpenCells(zoneMgr);
       else
         MapUtil.OpenCells();
-      cmdLocale.CellsOpened.ToAllChat();
+
+      // Only if we detect prisoners in cells (i.e. presumably
+      // cells haven't been opened yet) should we send the message
+
+      if (prisoners == 0) return;
+
+      if (CV_WARDEN_AUTO_SNITCH.Value) {
+        cmdLocale.CellsOpenedWithPrisoners(prisoners);
+      } else { cmdLocale.CellsOpened.ToAllChat(); }
     });
 
     return HookResult.Continue;
   }
 
+  private IZone getCellZone() {
+    var manager = provider.GetService<IZoneManager>();
+    if (manager != null) {
+      var zones = manager.GetZones(Server.MapName, ZoneType.CELL)
+       .GetAwaiter()
+       .GetResult();
+      if (zones.Count > 0) return new MultiZoneWrapper(zones);
+    }
+
+    var bounds = new DistanceZone(
+      Utilities
+       .FindAllEntitiesByDesignerName<SpawnPoint>("info_player_terrorist")
+       .Where(s => s.AbsOrigin != null)
+       .Select(s => s.AbsOrigin!)
+       .ToList(), DistanceZone.WIDTH_CELL);
+    return bounds;
+  }
+
   [GameEventHandler]
   public HookResult OnPlayerDisconnect(EventPlayerDisconnect ev,
     GameEventInfo info) {
diff --git a/mod/Jailbreak.Warden/Jailbreak.Warden.csproj b/mod/Jailbreak.Warden/Jailbreak.Warden.csproj
index 56894def..ca3670c3 100644
--- a/mod/Jailbreak.Warden/Jailbreak.Warden.csproj
+++ b/mod/Jailbreak.Warden/Jailbreak.Warden.csproj
@@ -9,6 +9,7 @@
     <ItemGroup>
         <ProjectReference Include="..\..\public\Jailbreak.Formatting\Jailbreak.Formatting.csproj"/>
         <ProjectReference Include="..\..\public\Jailbreak.Public\Jailbreak.Public.csproj"/>
+        <ProjectReference Include="..\Jailbreak.Zones\Jailbreak.Zones.csproj" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/public/Jailbreak.Formatting/Views/Warden/IWardenCmdOpenLocale.cs b/public/Jailbreak.Formatting/Views/Warden/IWardenCmdOpenLocale.cs
index daf76bcd..ad0ac482 100644
--- a/public/Jailbreak.Formatting/Views/Warden/IWardenCmdOpenLocale.cs
+++ b/public/Jailbreak.Formatting/Views/Warden/IWardenCmdOpenLocale.cs
@@ -20,5 +20,19 @@ public interface IWardenCmdOpenLocale {
   /// <returns></returns>
   public IView CellsOpenedBy(CCSPlayerController? player);
 
+  /// <summary>
+  /// Cells were opened with prisoners still inside.
+  /// </summary>
+  /// <param name="prisoners"></param>
+  /// <returns></returns>
+  public IView CellsOpenedWithPrisoners(int prisoners);
+
+  /// <summary>
+  /// Cells were already opened, but there are still prisoners inside.
+  /// </summary>
+  /// <param name="prisoners"></param>
+  /// <returns></returns>
+  public IView CellsOpenedSnitchPrisoners(int prisoners);
+
   public IView CannotOpenYet(int seconds);
 }
\ No newline at end of file