{
  "case_id": "A47",
  "title": "The Silicon Valley Incident",
  "difficulty": "Medium",
  "victim": {
    "name": "Marcus Chen",
    "age": 42,
    "occupation": "Tech CEO",
    "time_of_death": "8:47 PM"
  },
  "suspects": [
    {
      "id": "suspect_1",
      "name": "Sarah Johnson",
      "role": "CFO",
      "gender": "female",
      "is_murderer": true,
      "motive": "Embezzlement discovered",
      "true_location": "Crime scene",
      "alibi_story": "At home watching Netflix",
      "alibi_id": "ALIBI-101",
      "phone_number": "+1-555-0101",
      "bio": "Detail-oriented and ambitious. Has been with the company since day one."
    },
    {
      "id": "suspect_2",
      "name": "David Park",
      "role": "Janitor",
      "gender": "male",
      "is_murderer": false,
      "motive": "None",
      "true_location": "2 blocks away",
      "alibi_story": "Working late on 5th floor",
      "alibi_id": "ALIBI-102",
      "phone_number": "+1-555-0102",
      "bio": "Quiet and keeps to himself. Has a record for petty theft from 10 years ago."
    },
    {
      "id": "suspect_3",
      "name": "Emily Chen",
      "role": "Victim's Sister",
      "gender": "female",
      "is_murderer": false,
      "motive": "Inheritance dispute",
      "true_location": "Restaurant downtown",
      "alibi_story": "Dinner with friends",
      "alibi_id": "ALIBI-103",
      "phone_number": "+1-555-0103",
      "bio": "Emotional and protective of the family legacy. Argued with Marcus recently."
    },
    {
      "id": "suspect_4",
      "name": "Alex Rivera",
      "role": "Competitor CEO",
      "gender": "male",
      "is_murderer": false,
      "motive": "Corporate rivalry",
      "true_location": "Airport lounge",
      "alibi_story": "Catching a flight to NY",
      "alibi_id": "ALIBI-104",
      "phone_number": "+1-555-0104",
      "bio": "Ruthless businessman. Recently lost a major contract to Marcus's firm."
    }
  ],
  "evidence": {
    "location_data": {
      "suspect_1_phone": {
        "8:47 PM": {"lat": 37.7749, "lng": -122.4194, "location": "Crime scene"},
        "8:50 PM": {"lat": 37.7750, "lng": -122.4200, "location": "0.1 mi away"}
      },
      "suspect_2_phone": {
        "8:47 PM": {"lat": 37.7800, "lng": -122.4300, "location": "2 blocks away"}
      },
      "suspect_3_phone": {
         "8:47 PM": {"lat": 37.7900, "lng": -122.4000, "location": "Downtown Restaurant"}
      },
      "suspect_4_phone": {
         "8:47 PM": {"lat": 37.6213, "lng": -122.3790, "location": "SFO Airport"}
      }
    },
    "footage_data": {
      "10th_floor_camera": {
        "8:45-8:50 PM": {
          "visible_people": ["Person in black hoodie entering", "Janitor cart visible in corner"],
          "quality": "Grainy",
          "key_frame": "8:47 PM - figure strikes victim with trophy"
        },
        "unlocks": ["door_handle", "coffee_mug", "laptop", "trophy_weapon"]
      },
      "lobby_camera": {
        "8:40-8:55 PM": {
          "visible_people": ["Suspect 1 entering at 8:43", "Suspect 1 leaving at 8:52", "Suspect 3 arguing with guard earlier"],
          "quality": "High",
          "notes": "Suspect 1 changed clothes, looks flustered. Suspect 3 seen leaving at 8:30."
        },
        "unlocks": ["discarded_ticket"]
      },
      "kitchen_camera": {
        "8:40-8:55 PM": {
          "visible_people": ["Empty"],
          "quality": "Low",
          "notes": "Nothing happening."
        },
        "unlocks": []
      }
    },
    "dna_evidence": {
      "trophy_weapon": {
        "label": "Trophy (Found in Office)",
        "matches": ["suspect_1", "suspect_3", "victim"],
        "confidence": "65%",
        "notes": "Partial print on base. Smudged."
      },
      "door_handle": {
        "label": "Door Handle (10th Floor)",
        "matches": ["suspect_1", "suspect_2", "victim"],
        "notes": "Multiple people touched door recently"
      },
      "coffee_mug": {
        "label": "Coffee Mug (Desk)",
        "primary_match": "victim",
        "confidence": "99%",
        "notes": "Victim's saliva."
      },
      "laptop": {
        "label": "Laptop (Desk)",
        "matches": ["victim", "suspect_2"],
        "notes": "Dusty fingerprints from cleaning."
      },
      "discarded_ticket": {
        "label": "Parking Ticket (Lobby)",
        "primary_match": "suspect_3",
        "confidence": "99%",
        "notes": "Dropped near exit."
      }
    },
    "alibis": {
      "suspect_1_alibi": {
        "contact": "Nobody (claims was alone)",
        "contact_name": "None",
        "verifiable": false,
        "truth": "Lying - was at crime scene"
      },
      "suspect_2_alibi": {
        "contact": "+1-555-0199",
        "contact_name": "Security Guard Tom",
        "verifiable": true,
        "truth": "Telling truth - saw him on 5th floor around 8:45"
      },
       "suspect_3_alibi": {
        "contact": "+1-555-0200",
        "contact_name": "Waiter at La Casa",
        "verifiable": true,
        "truth": "Telling truth - bill was paid at 9:00 PM, but she arrived late (8:55)"
      },
       "suspect_4_alibi": {
        "contact": "+1-555-0201",
        "contact_name": "Airline Desk",
        "verifiable": true,
        "truth": "Telling truth - checked in at 8:30 PM, seen at gate"
      }
    }
  },
  "timeline": {
    "8:30 PM": "Victim stays late working",
    "8:43 PM": "Suspect 1 enters building",
    "8:45 PM": "Suspect 2 seen on 5th floor",
    "8:47 PM": "Murder occurs",
    "8:52 PM": "Suspect 1 leaves building"
  }
}