Margaret Chen

ACTIVE SOS

DEMO BRIEFING

Incident opened 6/24/2026, 7:28:07 AM · SOS + missing person mode

Demo briefing — does not expire · sample data only

Lost-person behavior profile: dementia · moderate · suburban

Search map

Point last seen

Coordinates 40.01520°N, 105.27050°W · UTM 13T 476915E 4429479N
Source Fused PLS — vehicle + phone agree (86% conf.)
Time 6/24/2026, 7:28:07 AM
Description Last seen leaving driveway in silver Model Y
Activity Agitated — asked for childhood home
Clothing Blue cardigan, khaki pants, white sneakers

Search zones

#LabelBandRadius (mi)TerrainCoords
1 Former home — Oak St 75% 0.5 Suburban streets, porches 40.01520°N, 105.27050°W · UTM 13T 476915E 4429479N Maps
2 St. Mark church lot 50% 0.75 Open lot, adjacent trail 40.01880°N, 105.26410°W · UTM 13T 477463E 4429877N Maps
3 Grocery corridor 25% 1 Commercial strip, drainage 40.01200°N, 105.27500°W · UTM 13T 476530E 4429125N Maps

Vehicle

2022 Tesla Model Y · Silver · CO plate …4F2

Vehicle containment

Estimated drivable range while vehicle telemetry is offline — search within this radius from last known vehicle GPS.

Est. range ~18 mi
Battery 42%
Method trip efficiency
Confidence medium
Anchor GPS 40.02010°N, 105.28020°W · UTM 13T 476089E 4430026N
Anchor time 6/24/2026, 7:28:07 AM
Charging at anchor No
Miles / % 0.43

Range rationale

Phone ping

Time 6/24/2026, 7:28:07 AM
Coords 40.01540°N, 105.27010°W · UTM 13T 476950E 4429501N
Accuracy ±18 m

Medical / ICE

Conditions Mild dementia, Hypertension
Allergies Penicillin
Medications Donepezil 10mg, Lisinopril 10mg

Mild dementia, Hypertension

Emergency contacts

No emergency contacts listed

Family intel

Favorite places

Former residences

Habits

Key contacts

Weather & terrain

Weather At PLS: 58°F, clear, 8 mph wind. Current: 62°F — plan for cooling after dark.
Terrain [Map] Creek 0.3 mi E · trail 0.2 mi N · woods 0.4 mi NE. [Caregiver] Subject walks church path when anxious.

AI search guidance

Decision support only — verify on scene. Call 911 for missing persons.

Subject likely on foot near fused PLS. Prioritize former residence within 0.5 mi hub, then church lot corridor. Vehicle offline — containment circle applies until seat-exit confirmed.

Search priority

  1. 0.25 mi hub at fused PLS — structures and porches
  2. Former residence on Oak St — highest reflexive task
  3. Church parking lot — habitual Sunday visits
  4. Drainages along grocery corridor

Terrain tips

Reflexive search tasks

Investigation

  • Interview neighbor who saw subject leave driveway

25% hub

  • Structures immediately at fused PLS

Containment

  • Seal perimeter roads within estimated EV range

Travel corridors

  • Grocery strip and parallel alleys

Water features

  • Creek line east of church lot

Likely locations

  1. Former residence — Oak St (89%) — 40.01520°N, 105.27050°W · UTM 13T 476915E 4429479N
  2. St. Mark church parking (76%) — 40.01880°N, 105.26410°W · UTM 13T 477463E 4429877N

Timeline

SAR checklist

ICS forms & exports

ICS-201 preview
ICS-201 — Hearthguard Missing Person Incident
Operational period: Jun 24, 7:28 AM – Jun 24, 7:28 PM
Generated: 2026-06-24T11:28:07.286Z

Last seen leaving driveway in silver Model Y · 40.015°N, 105.270°W · UTM 13T 476915E 4429479N · Jun 24, 7:28 AM · Clothing: Blue cardigan, khaki pants, white sneakers · Activity: Agitated — asked for childhood home
IPP: Last seen leaving driveway in silver Model Y · 40.015°N, 105.270°W · UTM 13T 476915E 4429479N · Jun 24, 7:28 AM

Subject: Clothing: Blue cardigan, khaki pants, white sneakers · Activity when last seen: Agitated — asked for childhood home · Habits: Walks after dinner when anxious; Attends Sunday service
Medical: Conditions: Mild dementia; Hypertension. Allergies: Penicillin. Medications: Donepezil 10mg; Lisinopril 10mg

Current actions:
• Confirm 911 / official SAR authority engaged
• Establish fused PLS with decimal + UTM coordinates
• Vehicle offline — weight containment circle (~18 mi) until foot exit confirmed
• Deploy team to zone #1 former residence hub
• Check water features along grocery corridor

Weather:
At PLS: 58°F, clear, 8 mph wind. Current: 62°F — plan for cooling after dark.

Terrain / environment:
[Map] Creek 0.3 mi E · trail 0.2 mi N · woods 0.4 mi NE. [Caregiver] Subject walks church path when anxious.

Hazards:
• Subject may not respond to shouts, whistles, or phone calls.
• Approach calmly from the front; sudden contact may provoke flight or agitation.
• Sundowning may increase wandering after dusk — prioritize short loops near PLS.
• Check former homes, churches, and familiar childhood places (reflexive memory).
• Search drainages, creek beds, and dense brush along likely travel paths.
• Dementia factor: Returns to prior home
• Dementia factor: Evening agitation
• Weather: At PLS: 58°F, clear, 8 mph wind. Current: 62°F — plan for cooling after dark.
• Terrain: [Map] Creek 0.3 mi E · trail 0.2 mi N · woods 0.4 mi NE. [Caregiver] Subject walks church path when anxious.
• Water features near PLS: Boulder Creek (0.3 mi E)

Resource requests:
• 0.25 mi hub at fused PLS — structures and porches
• Former residence on Oak St — highest reflexive task
• Church parking lot — habitual Sunday visits
• Drainages along grocery corridor
• Search zone: Former home — Oak St (75% band)
• Search zone: St. Mark church lot (50% band)
• Search zone: Grocery corridor (25% band)
ICS-204 preview
ICS-204 — Hearthguard Missing Person Incident
Operational period: Jun 24, 7:28 AM – Jun 24, 7:28 PM
Generated: 2026-06-24T11:28:07.312Z

Assignments (3):
1. Former home — Oak St @ 40.01520°N, 105.27050°W · UTM 13T 476915E 4429479N · 0.5 mi · band 75% · Suburban streets, porches · high_probability
2. St. Mark church lot @ 40.01880°N, 105.26410°W · UTM 13T 477463E 4429877N · 0.75 mi · band 50% · Open lot, adjacent trail · hub_25pct
3. Grocery corridor @ 40.01200°N, 105.27500°W · UTM 13T 476530E 4429125N · 1 mi · band 25% · Commercial strip, drainage · travel_corridors
ICS-206 preview
ICS-206 — Hearthguard Missing Person Incident
Operational period: Jun 24, 7:28 AM – Jun 24, 7:28 PM
Generated: 2026-06-24T11:28:07.312Z

Allergies: Penicillin
Medications: Donepezil 10mg; Lisinopril 10mg
Conditions: Mild dementia; Hypertension
Schedule:
—
ICS-208 preview
ICS-208 — Hearthguard Missing Person Incident
Operational period: Jun 24, 7:28 AM – Jun 24, 7:28 PM
Generated: 2026-06-24T11:28:07.313Z

Safety message:
Current conditions: Light wind for search teams, 63°F, wind 12 mph Water features nearby — search drainages and shorelines; use flotation if needed. Confirm 911 / official SAR authority engaged Establish fused PLS with decimal + UTM coordinates Vehicle offline — weight containment circle (~18 mi) until foot exit confirmed Deploy team to zone #1 former residence hub Check water features along grocery corridor Use a calm, low voice; identify yourself and relationship each time. Do not chase — parallel the subject and guide gently toward safety. Assume reduced hazard awareness near roads, water, and steep terrain.

Checklist:
• Confirm 911 / official SAR authority engaged
• Establish fused PLS with decimal + UTM coordinates
• Vehicle offline — weight containment circle (~18 mi) until foot exit confirmed
• Deploy team to zone #1 former residence hub
• Check water features along grocery corridor

Dementia protocol:
• Use a calm, low voice; identify yourself and relationship each time.
• Do not chase — parallel the subject and guide gently toward safety.
• Assume reduced hazard awareness near roads, water, and steep terrain.
• Share dementia diagnosis with all searchers and dispatch.
ICS-209 preview
ICS-209 — Hearthguard Missing Person Incident
Operational period: Jun 24, 7:28 AM – open
Generated: 2026-06-24T11:28:07.313Z

Status: open
Opened: 2026-06-24T11:28:07.282Z
Closed: —
Trigger: sos
Analyses: 0 · Observations: 0 · Briefings: 0
Resolution: —
Weather: At PLS: 58°F, clear, 8 mph wind. Current: 62°F — plan for cooling after dark.
Terrain: [Map] Creek 0.3 mi E · trail 0.2 mi N · woods 0.4 mi NE. [Caregiver] Subject walks church path when anxious.

Open alerts