Two Madison men and two Norridgewock men are charged with drug offenses after a series of arrests by the Somerset County Sheriff’s Office over the past two weeks, according to a press release Monday.

The arrests were separate cases but are part of a “bigger drug investigation going on in (Somerset) county,” said Sheriff Dale Lancaster in an interview. He said the recent arrests have had an impact on drug trafficking in Somerset County.

Carl Landry, 46, of Norridgewock, was charged with class A aggravated trafficking in a schedule W drug, heroin; class B trafficking in a schedule W drug, heroin; and class C possession of a schedule W drug, heroin.

Dennis Peters, 54, of Madison, was charged with class A aggravated trafficking in schedule W drug, heroin; class C unlawful possession of a schedule W drug, heroin; class C unlawful possession of a schedule W drug, oxycodone; and class D unlawful possession of a schedule W drug, cocaine

Brett Ward, 24, of Madison, was charged with class B trafficking in a schedule W drug, oxycodone; violating conditions of release and violation of probation

Joshua Wheaton, 29, of Norridgewock, was charged with class D possession of a schedule W drug, methadone; violating conditions of release and violation of probation

On Dec.23, police searched Peters’ home at the corner of Hayden Street and Naomi Avenue in Madison and seized about seven grams of heroin, two grams of cocaine, 33 15 mg oxycodone pills; $11,077 in cash; other controlled pills and other drugs and drug-related documentation, according to the press release.

The trafficking charge against Peters is aggravated because of the amount of heroin seized as well as Peters having prior felony drug-related convictions, the release said.

On Thursday, police searched Landry’s residence at 641 Madison Road in Norridgewock and seized 86 bags of heroin, 3.6 grams of powdered heroin, 150 bags containing heroin residue, heroin packaging material, $642 in cash, digital scales, crack cocaine-related paraphernalia, two stolen firearms, a stolen Maine inspection sticker that came out of a burglary in Fairfield, methadone pills, a stolen chainsaw, a stolen wooden box that came from a recent burglary in Starks, marijuana and other drug paraphernalia. The firearms were reported stolen in separate burglaries in Kennebec and Somerset counties, the release said.

Landry is also charged with aggravated trafficking because of the amount of heroin seized.

Ward’s home at 32 Madison Ave. in Madison was searched by the sheriff’s office on Dec. 22, where deputies and detectives found five 30 mg oxycodone pills, other controlled pills and other drugs and drug paraphernalia, according to the release.

He was on bail for a pending probation violation and was on probation for theft. The sheriff’s office also expects more charges against individuals who were at Ward’s residence at the time of the search.

The sheriff’s office also searched Wheaton’s vehicle, a 2005 Chevy SUV, on Dec. 22 in the parking lot of Wal-Mart in Skowhegan, the release said. During the search police found 14 methadone pills on Wheaton’s person.

At the time of the search, Wheaton was on probation for burglary and on bail for “other unrelated criminal matters,” the release said.

Rachel Ohm — 612-2368

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Twitter: @rachel_ohm