diff --git a/src/multi_agent_conductor.py b/src/multi_agent_conductor.py
index 743787f..c0453be 100644
--- a/src/multi_agent_conductor.py
+++ b/src/multi_agent_conductor.py
@@ -89,6 +89,7 @@ class ConductorEngine:
   self.pool = WorkerPool(max_workers=max_workers)
   self._workers_lock = threading.Lock()
   self._active_workers: dict[str, threading.Thread] = {}
+  self._abort_events: dict[str, threading.Event] = {}
   self._tier_usage_lock = threading.Lock()
 
  def update_usage(self, tier: str, input_tokens: int, output_tokens: int) -> None:
diff --git a/tests/test_conductor_engine_abort.py b/tests/test_conductor_engine_abort.py
new file mode 100644
index 0000000..79bb260
--- /dev/null
+++ b/tests/test_conductor_engine_abort.py
@@ -0,0 +1,19 @@
+import pytest
+from unittest.mock import MagicMock
+from src.multi_agent_conductor import ConductorEngine
+from src.models import Track
+
+def test_conductor_engine_initializes_empty_worker_and_abort_dicts() -> None:
+ """
+ Test that ConductorEngine correctly initializes _active_workers and _abort_events as empty dictionaries.
+ """
+ # Mock the track object
+ mock_track = MagicMock(spec=Track)
+ mock_track.tickets = []
+ 
+ # Initialize ConductorEngine
+ engine = ConductorEngine(track=mock_track)
+ 
+ # Verify _active_workers and _abort_events are empty dictionaries
+ assert engine._active_workers == {}
+ assert engine._abort_events == {}