Healthcare Fraud Detection System

I need a comprehensive fraud detection system for healthcare insurance utilizing patient vitals (SPO2, Blood Pressure, Heart Rate). The data will be sourced from IoT devices and an existing database, updated every minute.

Please note we do not have any data.

Key Requirements:
- Input and store patient vitals for a few hours to a few days.
- Detect fraud using any method: rule-based, machine learning, or statistical analysis.
- Host on AWS.
- Web dashboard to assess individual data records.

Ideal Skills:
- Experience with AWS deployment.
- Proficiency in data integration from IoT and databases.
- Strong background in fraud detection methodologies.
- Web development for dashboard creation.
- Knowledge in handling and analyzing health data.

Please provide a detailed plan and timeline for implementation.