Lawyers for​ Mexican druglord​ Joaquín “El Chapo” Guzmán are lashing out at ​Brooklyn federal ​prosecutors for repeatedly resorting to back-channel methods to talk to the judge ​handling his case ​while keeping them in the dark, according to new court filings. ​​

The petite kingpin’s defense team wants Justice Brian Cogan to rule that the government must provide the Mexican cartel leader with summary or redacted documents related to their secret communications with the jurist for past and future filings.

Prosecutors have, on at least four occasions since El Chapo was extradited ​from a Mexican prison ​in January, used ex​-​parte filings in order to petition the judge on an issue while excluding defense attorneys, the papers say.

The backdoor papers have been submitted in order to successfully argue that Guzman should not be allowed to access his lawyers in Mexico, and to limit his interactions with his bombshell wife.

The defense team says the government’s repeated conduct leaves them unable to fairly defend their notorious client, and therefore infringes on his rights.

Cogan has yet to rule on the motion.