A 31-year-old American woman has been charged after Australian Border Force officers allege they found about 20 kilograms of cocaine in her luggage when she arrived at Sydney Airport on a flight from Los Angeles.

Border force staff stopped the woman on Sunday and examined her baggage, reportedly locating 14 black vacuum-sealed packages containing a substance that returned a presumptive positive test for cocaine. Officers estimated the total weight at about 20kg, with an approximate street value of AU$6.5 million. The woman was arrested and the alleged drugs were seized.

The Australian Federal Police said the woman has been charged with one count of importing a commercial quantity of a border‑controlled drug, namely cocaine. The offence carries a maximum penalty of life imprisonment. AFP Superintendent Morgen Blunden said the quantity seized could have yielded about 100,000 street‑level deals.

"The AFP and ABF are still regularly finding and arresting people willing to risk decades in jail by trafficking illicit drugs through our airports," Supt. Blunden said, adding a warning to those who contemplate smuggling that they face the prospect of long prison terms if caught. Australian Border Force Superintendent Elke West said the detection reflected "intelligence‑led operations, coupled with expert agency collaboration and officer drive," and credited staff for using a skilled approach to intercept traffickers.

The substance returned a presumptive positive result in field testing; such results are typically sent for laboratory analysis to confirm the exact characterisation and purity of the drug. Authorities did not disclose further details about the woman's identity, motive, or alleged links to organised criminal networks.

Australian authorities have in recent years reported multiple large drug detections at international airports, where investigators say traffickers sometimes conceal illicit substances in passenger luggage or cargo. Officials said the joint AFP‑ABF operations are designed to disrupt supply and prevent large quantities of illegal drugs from reaching local markets.

Police statements said the matter will proceed through the legal process; further court appearances and formalities were not detailed in the statements released. The AFP and ABF declined to comment on investigative specifics pending ongoing inquiries.

The charge filed against the woman is for importing a commercial quantity of a border‑controlled drug, a charge that under Australian law can lead to severe penalties if proven. Investigations into the alleged smuggling operation and any wider network remain active.