🔐

DeMars Field

Field operations. Secured.

Page 1 of 10 — Secure Sign-In
01 — Splash
9:41
●●●
🔐

DeMars Field

Field operations. Secured.

02 — Biometric Unlock
GPS · Connected
🔒E2E
👆

Authenticate to continue

Place your finger on the sensor or use Face ID. Session locks after 5 minutes of inactivity.

Agent ID · DM-2841 · Last sync 09:38

03 — MFA Challenge

Verify identity

Step 2 of 2 · Multi-factor

📱

Code sent to ···-···-4729

Expires in 02:47 · Resend after 30s

8
3
9
🔒

All authentication events are written to the immutable audit log per DeMars compliance policy.

Trouble receiving code? Use backup method

01 — Dashboard

Tuesday · May 26

Morning, Agent M.

GPS
ML

7

Assigned

2

Recovered

1

Urgent

All
Pending
In Progress

★ Urgent · 4th notice

2021 Ford F-150 XLT

VIN ···2841 · Plate 7HG·492 · Silver

PENDING
📍 4421 Westview Dr · 2.1 mi
Navigate ›

In Progress

2019 Honda Civic LX

VIN ···7619 · Plate 4KP·103 · Black

ACTIVE
📍 822 Maple Ave · 5.4 mi
Continue ›

Standard

2020 Toyota Camry SE

VIN ···3308 · Plate 9BN·775 · White

PENDING
📍 1198 Birch Ln · 8.7 mi
Open ›
01 — Recovery Brief

F-150 · ···2841

🔒ENCRYPTED
URGENT · 4TH NOTICE
REC ID · 884-7K

2021 Ford F-150 XLT

Silver · 4-door · 87,420 mi (recorded)

VIN

1FTFW1E···2841

Plate

7HG · 492 (NV)

Account holder

JD

John D.

Account ···-····-3201 · 67d delinquent

DO NOT CONTACT

Recovery location

4421 Westview Drive

Reno, NV 89506 · Residential · Driveway

📍 Navigate
2.1 mi · 7 min

Special instructions

Prior agent reported possible dog on property. Conduct address verification before approach. Vehicle last seen parked west side of driveway, plate-side visible from street.

Lien holder

Sierra Credit

Auth fee

$450

01 — Dark Map
VIRGINIA ST4TH STWELLS AVERESIDENTIALRESIDENTIALYou!884-7K
GPS · LOCKED
URGENT · NEXT STOP
REC 884-7K

2021 Ford F-150 XLT

4421 Westview Drive · Reno, NV

7

MIN

2.1

MILES

01 — Photo Grid

Vehicle inspection

F-150 · ···2841 · 4 of 8 captured

🔒E2E
50%
01

Front

UPLOADED · 1.2 MB

02

Rear

UPLOADED · 1.4 MB

03

Driver side

UPLOADED · 1.3 MB

68%
04 · Uploading

Passenger side

0.9 / 1.3 MB

05 · Required
📷

Odometer

06 · Required
🔢

VIN plate

07 · Optional
🪑

Interior

08 · If present
💢

Damage

01 — E-Signature

Signature required

Step 4 of 4 · Recovery handoff

🔒SIGNED

Acknowledgement

I, the undersigned, confirm voluntary surrender of the vehicle listed below to DeMars & Associates field agent. I waive further notice of disposition.

2021 Ford F-150 XLT

VIN ···2841 · Plate 7HG·492

VOLUNTARY

Sign in box below

x ___________________

Forensic metadata · auto-attached

⏱ Timestamp2026-05-26 09:47:21 PDT
📍 GPS39.5296 N · 119.8138 W
📱 DeviceDM-IPH-2841
🔐 Hash (SHA-256)a3f1···7c2e
01 — Dispatcher Thread
HQ

HQ Dispatcher · Karen

Online · End-to-end encrypted
🔒 Messages are end-to-end encrypted · Today

Heads up on REC 884-7K — neighbor called yesterday, possible relocation to Sparks. Address verify before approach.

09:32 · KAREN

Copy. On site now, plate match confirmed. Standby.

09:46 · ✓✓ READ

Good. Driver home — voluntary surrender preferred. Logging legal cover doc to your queue now.

09:47 · KAREN

📄

Recovery_authorization_884-7K.pdf

142 KB · Encrypted · Tap to decrypt

09:47 · KAREN

Received. Initiating inspection capture now.

09:48 · ✓✓ READ

📎
Message HQ securely…
🎙
01 — Sync Status

Offline queue

SIGNAL WEAK
🔐

Encrypted at rest · SQLCipher

8 records queued locally. AES-256 encryption. Auto-syncs when connection returns.

Pending upload · 8 items

🔒

Inspection · F-150 ···2841

4 photos · 5.2 MB · Captured 09:51

QUEUED
🔒

Signature · F-150 ···2841

SVG + metadata · 18 KB · 09:52

QUEUED
🔒

Status update · 884-7K

Marked RECOVERED · GPS · 1.2 KB

SYNCING
🔒

Note · Civic ···7619

Address verification text · 0.4 KB

QUEUED

Inspection · Camry ···3308

Synced 09:14 · 4.1 MB

SYNCED

Queue retries every 30s. Conflicts resolve via server-authoritative merge. Local cache flushed after successful sync.

01 — Security Center
ML

Marcus L.

Agent · DM-2841 · Tier 2 certified

🔒E2E ENABLED

Authentication

👆

Biometric unlock

Face ID + Touch ID

📱

Multi-factor auth

SMS + Authenticator app

Session timeout

Auto-lock after 5 min

Data protection

🔐

Encryption status

● AES-256 · TLS 1.3 · Active

📋

Audit log

View 312 events this week

🗑️

Wipe local cache

Force purge encrypted store

Recent audit events

Biometric unlock

09:38

Assignment 884-7K viewed

09:42

Photo capture · queued offline

09:51

DeMars Field V1

A secure-by-default field-ops mobile app for vehicle re-acquisition agents. Encrypted offline-first sync, biometric + MFA auth, evidence-grade photo and signature capture, and an immutable audit trail wired into your existing recovery management back end.

⚙️

Tech Stack

Flutter 3.x (iOS + Android)
Node.js + Express API
PostgreSQL + Row-level encryption
SQLCipher (offline store)
Mapbox SDK (dark theme)
Auth0 / Firebase Auth
AWS S3 (encrypted media)
Firebase Cloud Messaging
🧠

Core Technologies

  • Flutter 3.x — Single codebase, iOS + Android, native modules where required
  • Node.js + Express — REST API with JWT rotation and rate limiting
  • SQLCipher — AES-256 encrypted local store for offline-first sync
  • Auth0 — MFA, biometric, session policy, audit hooks
  • Mapbox — Dark-styled maps, offline tile cache, route SDK
  • AWS S3 + KMS — Encrypted media bucket for photos and signatures
📦

V1 Deliverables

Secure sign-in: biometric + MFA + session timeout policy
V1
Today's assignments dashboard with status filtering
V1
Assignment detail with encrypted account data
V1
Mapbox dark navigation with route + nearby pins
V1
Vehicle inspection capture (8-angle protocol, compressed)
V1
Digital signature capture with GPS + timestamp + SHA-256 hash
V1
End-to-end encrypted dispatcher messaging
V1
Offline-first sync queue with SQLCipher + conflict resolution
V1
Immutable audit log surfaced in app + admin dashboard
V1
Push notifications (FCM) for assignment dispatch
V1
App Store + Play Store submission
V1
License plate OCR (auto-VIN match)
V2
Voice notes with on-device transcription
V2
ALPR camera integration for plate-scan tours
V2
Towing partner dispatch + handoff workflow
V2
Compliance reporting export (CSV + PDF)
V2
Real-time agent location for HQ dispatcher
V2
Web admin console for assignment management
V2
Body-cam companion app pairing
V2
🏛

Architecture Layers

MOBILE
Flutter · Riverpod · SQLCipher · Mapbox · biometric_storage
SECURITY
Auth0 · MFA · JWT rotation · TLS 1.3 · device attestation
API
Node + Express · OpenAPI · rate limit · audit middleware
DATA
PostgreSQL · row-level encrypt · S3+KMS · Redis
OPS
Fly.io · GitHub Actions · Sentry · CloudFront · audit warehouse