Halloween party guests posing at bloody evidence photo booth.

Day 6: DIY Bloody Evidence Photo Booth Backdrop

Oct 06, 2025 | 2 min read

Every unforgettable Halloween bash (and especially a murder mystery party!) needs a spot where your guests can snap some killer photos. Enter: the DIY Bloody Evidence Photo Booth Backdrop — a crime scene–chic setup that’s quick, creepy, and totally Instagram-worthy. Not only does it add atmosphere to your party, but it also ties seamlessly into your murder mystery storyline.

🧰 What You’ll Need

1 large white plastic tablecloth (cheap + easy to hang)
Red washable paint or fake blood (non-toxic preferred)
Black crime scene tape (yellow caution tape works too)
Old paintbrushes, sponges, or spray bottles (for splatter effects)
Thumbtacks, hooks, or painter’s tape (for hanging)
Optional: Printable Evidence Markers (1–6) ← download & print here.
Magnifying glass props, chalk outline cutouts, or toy weapons for extra flair

🔪 Step 1: Hang Your Canvas

Pick a wall with good lighting. Hang the tablecloth so it’s taut, and let a little extra fabric drape onto the floor — bonus points if it doubles as a creepy “crime scene floor.”

🩸 Step 2: Splatter the Scene

Splatter technique: Dip a brush in red paint and flick for random sprays.
Handprint method: Smear bloody handprints across the backdrop.
Spray bottle hack: Mix paint with water and spray for chilling drips.

Let dry completely before guests arrive.

🚨 Step 3: Add the Evidence

Cross crime scene tape at the corners. Pin up your evidence markers near bloodstains. Scatter a toy knife, magnifying glass, or chalk outline on the floor to make it feel authentic.

📸 Step 4: Light It Up

Lighting = drama. Use string lights, a red bulb, or spotlight your backdrop for eerie effects. Keep the room dim so the “blood” pops.

Lay out props like detective hats, boas, fake mustaches, and toy weapons. Encourage your guests to pose in character — and don’t forget a sign with your party hashtag so everyone can share the “evidence.”

🕯️ Bonus Twist

Want to level up? Halfway through the party, announce that the “killer struck again”… and the photo booth is the new crime scene. Suddenly your backdrop isn’t just décor — it’s part of the storyline.

This quick DIY turns an empty wall into a photo-worthy, spine-chilling keepsake station your guests won’t forget. Perfect for any murder mystery or Halloween party that needs a splash of blood (literally).

Don’t want to make your own? Check out some premade bloody backgrounds here.

🕵️ Backdrop? Check. Props? Check. Now all you need is the plot. Browse our downloadable murder mystery games and give your guests a crime they’ll never forget.