Author: Matt Spitzer | Updated August 2026
The police tape was still up when he came back for the seeds. It was 1982, and officers had just raided a small growing operation outside Watsonville, California, home turf for the kind of underground cannabis breeding that would eventually reshape genetics worldwide. A grower named David Watson had spent years quietly building one of the most valuable seed collections in America, and now it looked like the whole thing was about to disappear into a police evidence locker. He was not, by most accounts, a particularly dramatic man. But the choice he made that day would end up mattering more than almost anything else that happened in cannabis breeding for the rest of the century.
As the story is told by growers who knew him, Watson returned to the scene of his own arrest and walked away with roughly 250,000 seeds the police hadn’t found or hadn’t secured. It’s the kind of detail that sounds too good to be true. It also happens to be one of the more consistently repeated stories in cannabis breeding history, even if the exact date has blurred a little with each retelling. To understand why those seeds were worth the risk, it helps to go back further, to a young man with almost nothing to his name, walking east.
The Boy Who Left With Nothing
Years before any of that, Watson wasn’t a criminal mastermind. He was a young American who, in the early 1970s, sold off his possessions and started hitchhiking overland from Morocco toward India, following a route that had already carried hemp landraces west from the Hindu Kush a decade earlier, though Watson himself was heading the opposite direction, toward the source. He wasn’t just traveling. He was collecting. Along the way he befriended local growers, studied their varieties, and started building a mental map of cannabis genetics most Americans had never seen firsthand.
By the time he landed in Santa Cruz, he had more raw material than almost anyone else breeding in California. He fell in with a loose circle of growers known as the Haze Brothers and a collective called Sacred Seeds, and started crossing what he’d gathered. Colombian and Acapulco Gold sativas, tall and slow to finish, got crossed against compact, fast-flowering Afghan indica. The goal was practical: shrink the plant, cut the flowering time, and tone down the smell just enough that it wouldn’t announce itself to every neighbor within a mile.
He didn’t fully succeed on that last part. The strain that came out of it was so pungent that people started calling it Roadkill Skunk before it ever had an official name. Watson gave it a simpler one: Skunk #1. He had no way of knowing it yet, but he had just bred the plant that would define the next twenty years of cannabis genetics on two continents.
A Coffeeshop Owner’s Problem, Four Thousand Miles Away
While Watson was quietly perfecting a plant in Santa Cruz, a very different kind of experiment was underway in Amsterdam. The Netherlands had begun tolerating cannabis sales through small, informal coffeeshops, and in 1972, Wernard Bruining had opened Mellow Yellow, one of the first. But there was a problem baked into the whole arrangement: almost everything moving through those shops was imported hashish, pressed and shipped in from Morocco and Lebanon. Locally grown cannabis flower was rare and, by most accounts, unremarkable. Amsterdam had built a legal gray space for selling cannabis before anyone had figured out how to grow anything worth selling.
Bruining and the small circle of growers around him didn’t know it yet, but the fix for that problem was on the other side of the Atlantic, sitting in a man’s private seed collection, waiting for a reason to leave the country.
A Second Arrest, and a Clock Running Out
The Watsonville seed theft, whenever it actually happened, wasn’t the end of Watson’s legal trouble. In the spring of 1985, he was arrested again on cannabis charges in California. This time there was no talking his way around it. Growing cannabis in the US in the 1980s carried real prison time, and Watson had spent over a decade building a genetic library that federal law treated the same as a street corner deal.
Something had to give. Either the collection stayed in California and eventually got seized for good, or it left the country with him.
Two Strangers Waiting at Schiphol
A month after his arrest, David Watson landed at Amsterdam’s Schiphol Airport carrying a crate of seeds that included Skunk #1, an early stabilized version of Haze, and Afghani #1. Waiting for him were Michael Taylor and Wernard Bruining, the same coffeeshop owner who had spent over a decade selling hashish because nothing better was available. Watson had picked a country where growing cannabis wasn’t actively prosecuted the way it was at home, and he’d arrived carrying the one thing Amsterdam’s cannabis scene didn’t have: genetics stable and potent enough to build an industry on.
It didn’t take long for a new name to stick. Between the strain and the smell that followed him, David Watson became Sam the Skunkman.
What Those Seeds Actually Built
This is the part that’s easy to undersell. Amsterdam in the mid-1980s still ran almost entirely on imported hashish. Watson’s arrival changed that within a few years.
He sold seed stock to Nevil Schoenmakers, who used it to build what became the first international commercial cannabis seed bank, mailing genetics to growers worldwide at a time when almost nobody else was doing that openly. Skunk #1 went on to win the very first High Times Cannabis Cup. Later, Watson co-founded Hortapharm with Robert Clarke, a company built around collecting and preserving cannabis genetics from around the world, and Hortapharm’s work eventually fed into GW Pharmaceuticals, the company behind some of the first prescription cannabis medicines ever approved. A grower who once had to sneak seeds off his own crime scene ended up with genetics running through pharmaceutical research decades later.
Skunk #1 alone is credited as an ancestor to a large share of the hybrid strains grown commercially today, and the line hasn’t stopped moving. Our own Skunk #1 Auto carries that original genetic core forward in a modern autoflowering format, while LSD crosses the original Skunk #1 line directly against Afghan Indica, the same pairing Watson was working with in Santa Cruz decades ago. Skunk genetics kept spreading through later crosses too. OG Kush, itself descended from the Chemdawg and Hindu Kush lines that were circulating in that same era, went on to become one half of Girl Scout Cookies, crossed with Durban Poison, a strain now grown in our own Girl Scout Cookies line. Cannabis genetics rarely stay still for long. They just keep getting recombined by whoever’s paying attention.
The Question That Outlived Him
Here’s the part of the story that doesn’t resolve. For years, a rumor has followed Watson: that he wasn’t just a breeder who got lucky evading prosecution, but an informant, someone the DEA quietly let operate in exchange for information on the wider California growing scene. No one has ever proven it. No one has definitively disproven it either. Watson himself never fully put it to rest before he died, and the people who knew him best have offered different, sometimes contradictory, accounts over the years.
What isn’t in dispute is what happened to the plants. Whatever Watson actually was, spy, breeder, or both, the seeds he carried out of California reshaped what cannabis genetics looked like on two continents. A seed is small enough to hide in a coat pocket. Give it the right breeder, the right cross, and forty years, and a crate of them can rewrite an entire industry. If you’ve ever grown anything with Skunk lineage in its background, you’re a few generations removed from the seeds one man carried through customs in 1985.
Stable, documented genetics are the whole point of what breeders like Watson were chasing in the first place. If you want to grow something that carries this actual lineage forward, Skunk #1 Auto, LSD, and Girl Scout Cookies all trace back to it, or browse our full seed shop and check the germination guide to get started.