Turns out everything from mosquitoes to glitter can lead to a conviction.

1.A25-year cold casewas solved with a hotdog napkin.

2.A nearly years-old cold case may have been solved by acontact lens container.

Mugshot of an unidentified man; a crumpled napkin with a coffee cup stain on a wooden surface

3.A car thief suspectwas found thanks to a mosquito.

4.A tree ringblew a 1981 cold case wide open.

5.A 23-year cold casewas solved through a LEGO brick.

Close-up of a hand holding two contact lens cases marked L and R

7.One single horsehairhelped to solve a ’30s murder.

8.Adeck of cardshelped to solve a 31-year-old cold case.

9.Serial rapist Randal Comeauxwas found throughhis cigarette butts.

Mosquito perched on a fingertip with a forest road and a red vehicle in the background

10.In the mid-1980s, a child kidnapper was foundthanks to a few flakes of pink paint.

11.Empty bottles of sodahelped to find a chemistguilty of a 1989 murder.

12.A tiny, coin-sized shard of plastichelped to solvea cold case.

Child's hand resting on a tree stump with visible rings

13.A 1998 murderwas solved by a dog hair.

14.After a successful escape from a prison sentence, runawayGioacchino Gammino lived unnoticed for 20 years.

Until a single Google Maps image was spotted by cops, that is.

Person's mugshot next to scattered white Lego bricks; individual's expression is serious

15.A sexual assault case in Germany was solved towards the end of the Cold War using glitter.

16.Tiny,pink bath mat fibreshelped to identify a serial killer after years of investigation.

Envelope with hand-written address and heart doodle on wooden surface

Person holding a spider, and a portrait of a woman with short hair in a striped outfit

People playing cards with a hand revealing a king of hearts, at a table with drinks

Two images side by side: Left shows a police officer in uniform; right shows a hand holding chalk marking a surface

Child's bicycle lying on grass

Person disposing of a plastic bottle in a trash bin outdoors

Discarded aluminum can among fallen leaves on forest floor

Dog lying on a couch covered in pet hair

Two people stand outside a store named 'El Huerto de Hanu', with fresh produce on display

An open hand holding sparkling glitter with a blurred background

Woman holding a damaged lint dryer sheet in front of a washing machine