The Butler County Drug Task Force on Thursday rounded up four suspects wanted on felony arrest warrants for allegedly selling drugs in Butler County. The warrants stem from investigations dating to last year.

Arrested were Shauna M. Cress, 29, Grant E. Harmon, 58, and Bryant K. Wells, 45, all of Butler; and Dacia R. Walker, 26, of Brady Township.

Cress is being held in Butler County Prison on $35,000 bail. Harmon and Wells are in the county prison on $75,000 bail each. Walker is free on $1,500 bail.

Assisting the task force in the arrests were Butler police, Butler County sheriff’s deputies and county probation officers.

Cress is accused of selling heroin and crack cocaine to a police informant Sept. 4 on Pillow Street in Butler, according to court documents. The deal was arranged via cell phone.

She is charged with delivery of a controlled substance and criminal use of a communication facility.

Harmon allegedly sold marijuana to a police informant March 28, 2014. The $30 deal, documents said, occurred at the suspect’s home on the 300 block of North McKean Street in Butler.

He is charged with delivery of a controlled substance and possession of a controlled substance.

Authorities said a police informant called Wells’ cell phone Oct. 2 and set up a deal in the 400 block of South Main Street in Butler, where the defendant allegedly sold $45 worth of heroin.

Wells is charged with delivery of a controlled substance, possession with intent to deliver a controlled substance, and criminal use of a communication facility.

Additionally, he is charged with possession of a controlled substance and drug paraphernalia.

Walker is accused of selling 10 stamp bags of heroin to a police informant Dec. 3 at the Greater Butler Mart in Butler Township.

She is charged with delivery of a controlled substance, possession with intent to deliver a controlled substance and possession of a controlled substance.

County Detective Tim Fennell, who heads the task force, said officers are seeking several other suspects, all of Butler, on felony arrest warrants.

Those suspects are Edward C. Fink, 28; Amber R. Kastelic, 22; Sarah K. Barkley, 26; and Donald E. Vargo, 30.

Anyone with information about their whereabouts is asked to call Fennell at 724-284-5225 or city police at 724-287-7743.