LAKE GENEVA, Wis. -

Walworth County sheriff’s deputies arrested five more people believed to be part of a heroin-selling group in the Lake Geneva and Delavan area, according to a release.

Deputies said that after a monthlong investigation they determined that Jamaal Shellie, 33, of Waukegan, Ill., was the head of the group, and was having other people drive him around to sell heroin. He was also believed to be recruiting people to sell heroin for him.

On Jan. 7 deputies arrested Shellie at a hotel in Lake Geneva on charges of being party to the crime of delivering heroin and six counts of delivering heroin, according to the release.

Jacob LA Crews, 24, of Lake Geneva, was arrested in his vehicle in Lake Geneva on charges of being party to the crime of delivering heroin, possession of heroin and possession of drug paraphernalia. Christina M. Lavender, 28, of Delavan, was arrested in her vehicle in Lake Geneva on charges of delivering heroin and two counts of party to the crime of delivering heroin.

Since Shellie's arrest another person took over the group selling heroin, according to the release. An undercover officer bought heroin from some sellers involved in the same group, and on Monday they arrested five additional people.

Trisha J. Mohr, 34, of Lake Geneva, was arrested at a motel in Lake Geneva on charges of two counts of party to a crime of delivering heroin.

Matthew Brown, 31, of Waukegan, Ill., was arrested in a vehicle in Lake Geneva on charges of two counts of selling heroin.

Ernest F. Green, 29, of Waukegan, Ill., was arrested in a vehicle in Lake Geneva on charges of party to a crime of delivering heroin and two counts of delivering cocaine.

Ashley J. Keller, 27, of Lake Geneva, was arrested at her home on charges of five counts of delivering cocaine and one count of being a party to a crime of delivering heroin.

Brian W. Zitzler, 33, of Lake Geneva, was arrested at his place of employment on charges of conspiracy to deliver heroin, one count of party to a crime of delivering heroin and possession of a schedule three non-narcotic drug.

Walworth County officials expect more arrests to follow.