diff --git a/src/dispatch/case/flows.py b/src/dispatch/case/flows.py
index 38381bd26e4c..585479cfb346 100644
--- a/src/dispatch/case/flows.py
+++ b/src/dispatch/case/flows.py
@@ -42,7 +42,7 @@
     send_case_rating_feedback_message,
     send_case_update_notifications,
     send_event_paging_message,
-    send_event_update_prompt_reminder
+    send_event_update_prompt_reminder,
 )
 from .models import Case
 from .service import get
@@ -768,6 +768,43 @@ def map_case_roles_to_incident_roles(
     return list(incident_roles) or None
 
 
+def copy_case_events_to_incident(
+    case: Case,
+    incident: Incident,
+    db_session: Session,
+):
+    """Copies all timeline events from a case to an incident."""
+    # Get all events from the case
+    case_events = event_service.get_by_case_id(db_session=db_session, case_id=case.id).all()
+
+    if not case_events:
+        log.info(f"No events to copy from case {case.id} to incident {incident.id}")
+        return
+
+    log.info(f"Copying {len(case_events)} events from case {case.id} to incident {incident.id}")
+
+    for case_event in case_events:
+        # Create a new event for the incident with the same data
+        copied_source = f"{case_event.source} (copied from {case.name})"
+        event_service.log_incident_event(
+            db_session=db_session,
+            source=copied_source,
+            description=case_event.description,
+            incident_id=incident.id,
+            individual_id=case_event.individual_id,
+            started_at=case_event.started_at,
+            ended_at=case_event.ended_at,
+            details=case_event.details,
+            type=case_event.type,
+            owner=case_event.owner,
+            pinned=case_event.pinned,
+        )
+
+    log.info(
+        f"Successfully copied {len(case_events)} events from case {case.id} to incident {incident.id}"
+    )
+
+
 def common_escalate_flow(
     case: Case,
     incident: Incident,
@@ -793,6 +830,9 @@ def common_escalate_flow(
     db_session.add(case)
     db_session.commit()
 
+    # Copy timeline events from case to incident
+    copy_case_events_to_incident(case=case, incident=incident, db_session=db_session)
+
     event_service.log_case_event(
         db_session=db_session,
         source="Dispatch Core App",
@@ -862,7 +902,10 @@ def common_escalate_flow(
         event_service.log_case_event(
             db_session=db_session,
             source="Dispatch Core App",
-            description=f"The members of the incident's tactical group {incident.tactical_group.email} have been given permission to access the case's storage folder",
+            description=(
+                f"The members of the incident's tactical group {incident.tactical_group.email} "
+                f"have been given permission to access the case's storage folder"
+            ),
             case_id=case.id,
         )
 
diff --git a/tests/case/test_case_service.py b/tests/case/test_case_service.py
index f3c0054d8cbc..34b001c7a08e 100644
--- a/tests/case/test_case_service.py
+++ b/tests/case/test_case_service.py
@@ -231,3 +231,54 @@ def test_delete(session, case: Case):
 
     t_case = case_get(db_session=session, case_id=case_id)
     assert not t_case
+
+
+def test_copy_case_events_to_incident(session, case: Case, incident):
+    """Test that case events are properly copied to incident when escalating."""
+    from dispatch.case.flows import copy_case_events_to_incident
+    from dispatch.event.service import get_by_case_id, get_by_incident_id, log_case_event
+
+    # Create some test events for the case
+    log_case_event(
+        db_session=session,
+        source="Test Source",
+        description="Test case event 1",
+        case_id=case.id,
+    )
+
+    log_case_event(
+        db_session=session,
+        source="Test Source 2",
+        description="Test case event 2",
+        case_id=case.id,
+    )
+
+    # Verify case has events
+    case_events = get_by_case_id(db_session=session, case_id=case.id).all()
+    initial_case_event_count = len(case_events)
+    assert initial_case_event_count == 2
+
+    # Verify incident has no events initially
+    incident_events = get_by_incident_id(db_session=session, incident_id=incident.id).all()
+    initial_incident_event_count = len(incident_events)
+    assert initial_incident_event_count == 0
+
+    # Copy events from case to incident
+    copy_case_events_to_incident(case=case, incident=incident, db_session=session)
+
+    # Verify incident now has the copied events
+    incident_events_after = get_by_incident_id(db_session=session, incident_id=incident.id).all()
+    final_incident_event_count = len(incident_events_after)
+    assert final_incident_event_count == initial_case_event_count
+
+    # Verify case events are unchanged
+    case_events_after = get_by_case_id(db_session=session, case_id=case.id).all()
+    final_case_event_count = len(case_events_after)
+    assert final_case_event_count == initial_case_event_count
+
+    # Verify the copied events have the correct source
+    for event in incident_events_after:
+        assert (
+            event.source == f"Test Source (copied from {case.name})"
+            or event.source == f"Test Source 2 (copied from {case.name})"
+        )