diff --git a/src/gui_2.py b/src/gui_2.py
index bd6f2a5..835777a 100644
--- a/src/gui_2.py
+++ b/src/gui_2.py
@@ -1950,6 +1950,10 @@ class App:
    if t: t['status'] = 'blocked'
   self._push_mma_state_update()
 
+ def _cb_kill_ticket(self, ticket_id: str) -> None:
+  if self.controller and self.controller.engine:
+   self.controller.engine.kill_worker(ticket_id)
+
  def _reorder_ticket(self, src_idx: int, dst_idx: int) -> None:
   if src_idx == dst_idx: return
   new_tickets = list(self.active_tickets)
@@ -1997,12 +2001,13 @@ class App:
    self.bulk_block()
   # Table
   flags = imgui.TableFlags_.borders | imgui.TableFlags_.row_bg | imgui.TableFlags_.resizable | imgui.TableFlags_.scroll_y
-  if imgui.begin_table("ticket_queue_table", 5, flags, imgui.ImVec2(0, 300)):
+  if imgui.begin_table("ticket_queue_table", 6, flags, imgui.ImVec2(0, 300)):
    imgui.table_setup_column("Select", imgui.TableColumnFlags_.width_fixed, 40)
    imgui.table_setup_column("ID", imgui.TableColumnFlags_.width_fixed, 80)
    imgui.table_setup_column("Priority", imgui.TableColumnFlags_.width_fixed, 100)
    imgui.table_setup_column("Status", imgui.TableColumnFlags_.width_fixed, 100)
    imgui.table_setup_column("Description", imgui.TableColumnFlags_.width_stretch)
+   imgui.table_setup_column("Actions", imgui.TableColumnFlags_.width_fixed, 80)
    imgui.table_headers_row()
 
    for i, t in enumerate(self.active_tickets):
@@ -2061,6 +2066,13 @@ class App:
     imgui.table_next_column()
     imgui.text(t.get('description', ''))
 
+    # Actions - Kill button for in_progress tickets
+    imgui.table_next_column()
+    status = t.get('status', 'todo')
+    if status == 'in_progress':
+     if imgui.button(f"Kill##{tid}"):
+      self._cb_kill_ticket(tid)
+
    imgui.end_table()
 
  def _render_mma_dashboard(self) -> None:
diff --git a/tests/test_gui_kill_button.py b/tests/test_gui_kill_button.py
new file mode 100644
index 0000000..e68c353
--- /dev/null
+++ b/tests/test_gui_kill_button.py
@@ -0,0 +1,39 @@
+import pytest
+from unittest.mock import MagicMock, patch
+
+def test_gui_has_kill_button_method():
+ from src.gui_2 import App
+ assert hasattr(App, '_cb_kill_ticket'), "App must have _cb_kill_ticket method"
+
+def test_render_ticket_queue_table_columns():
+ with patch("src.gui_2.imgui") as mock_imgui:
+  mock_imgui.begin_table.return_value = True
+  mock_imgui.table_setup_column = MagicMock()
+  mock_imgui.table_headers_row = MagicMock()
+  mock_imgui.table_next_row = MagicMock()
+  mock_imgui.table_next_column = MagicMock()
+  mock_imgui.button.return_value = False
+  mock_imgui.checkbox = MagicMock(return_value=(False, False))
+  mock_imgui.selectable = MagicMock(return_value=(False, False))
+  mock_imgui.begin_drag_drop_source = MagicMock(return_value=False)
+  mock_imgui.begin_drag_drop_target = MagicMock(return_value=False)
+  mock_imgui.text = MagicMock()
+  mock_imgui.end_table = MagicMock()
+  mock_imgui.begin_combo.return_value = False
+  mock_imgui.ComboFlags_.height_small = 0
+  mock_imgui.push_style_color = MagicMock()
+  mock_imgui.pop_style_color = MagicMock()
+  mock_imgui.same_line = MagicMock()
+  
+  from src.gui_2 import App
+  app = App.__new__(App)
+  app.active_track = MagicMock()
+  app.active_tickets = [{"id": "T-001", "priority": "medium", "status": "in_progress", "description": "Test task"}]
+  app.ui_selected_tickets = set()
+  app.ui_selected_ticket_id = None
+  app.controller = MagicMock()
+  app._push_mma_state_update = MagicMock()
+  app._cb_kill_ticket = MagicMock()
+  app._render_ticket_queue()
+  columns_called = [call[0][0] for call in mock_imgui.table_setup_column.call_args_list]
+  assert "Actions" in columns_called, f"Expected Actions column, got: {columns_called}"