Las Vegas police investigating a rape allegation against Cristiano Ronaldo have sent a warrant to authorities in Italy requesting a sample of the Portuguese football superstar’s DNA, a police spokeswoman said.

“The LVMPD is taking the same steps in this case as in any other sexual assault to facilitate the collection of DNA evidence,” Officer Laura Meltzer said. “We can confirm that an official request has been submitted to Italian authorities.”

Police reopened the case in October after Kathryn Mayorga filed a lawsuit alleging that Ronaldo raped her in a Las Vegas hotel in 2009, and then paid her $375,000 to keep it secret.

The Wall Street Journal reports that the warrant has been issued because police want to see if Ronaldo’s DNA matches that found on the dress which Ms. Mayorga wore that night. They have cited the source as a ‘law enforcement official with knowledge of the case’.