VIDEO: Sisters Of Monica Beresford-Redman 'Had Feeling' Murder Was Premeditated

May 28 2018, Updated 10:16 a.m. ET

The late Monica Beresford-Redman's sisters, Carla and Jeane Burgos, told The Today Show Wednesday that they're satisfied with the job Mexican authorities are doing in trying to extradite their former brother-in-law Bruce Beresford-Redman in connection with their sister’s death in Cancun last year.

Watch the video on RadarOnline.com

Mexican authorities alleged in new extradition papers filed in Los Angeles, that Bruce Beresford-Redman had premeditated wife's killing, hitting in her head with a blunt object before fatally choking her.

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Carla Burgos said she "actually had this feeling" her sisters’ killing was a premeditated event.

"If there's more people involved, I want to them to pay for what they did," Carla said. "He's not the only mastermind of this crime.”

Jeanne said reading the papers was "very difficult ... it's a shame my sister lost her life in that tragic situation and circumstances.

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"For me it's always hard, it's been hard for the past 10 months, we really couldn't have any relief so far, all this exposure, all these horrible and terrible facts," Jeanne said. “We just have to go one day at a time. We have a lot on our plates right now.”

Carla said she's satisfied at the efforts put forth to extradite Bruce Beresford-Redman by Mexican authorities, so far.

"They've done a really good job on the investigation," she said.