Criminal Investigation Division

The Lawrence County District Attorney’s Detective Bureau Criminal Investigation Division (CID) was created in 2012 by District Attorney Joshua Lamancusa. The Detectives of the CID have full policing powers along with county wide jurisdiction to investigate all crimes and offenses. CID Detectives must meet the same training requirements as municipal police officers in Pennsylvania, including certification by the Pennsylvania Municipal Police Officers’ Education and Training Commission (MPOETC). The Detectives of the Criminal Investigation Unit work closely with numerous municipal, county, state and federal law enforcement agencies.

Criminal Investigation Division Detectives maintain the highest degree of professionalism, integrity and competency. Each are charged with the solemn duty to improve the quality of life in Lawrence County by investigating, prosecuting and deterring criminal behavior. CID Detectives have established a reputation of excellence in their investigative endeavors and are noted for their dignified and respectful treatment of all those they encounter.
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The Lawrence County Detective Bureau Criminal Investigation Division is an investigative branch of the Lawrence County District Attorney’s Office. CID Detectives assigned to this division are all experienced police officers and investigators, each maintaining specialized areas of expertise.

The Criminal Investigation Division is responsible for the investigation of a broad spectrum of cases:

HOMICIDE:

CID Detectives assist Lawrence County Police Departments and the Pennsylvania State Police with investigations related to unnatural deaths occurring in Lawrence County. CID Detectives receive specialized training to conduct these types of investigations and are equipped with the most modern investigative tools available to law enforcement.

SPECIAL VICTIM CRIMES:

CID Detectives investigate and/or prosecute all assigned sexual assault cases, regardless of the age of the victim occurring in Lawrence County. Sexual assault cases include but are not limited to rape, child molestation, child abuse, human trafficking, domestic violence, stalking investigations and violation of protection from abuse orders. CID Detectives receive specialized training to conduct these highly sensitive investigations and frequently work with a wide variety of experts assisting in their cases.

FELONY AND OTHER SPECIAL INVESTIGATIONS:

CID Detectives investigate assigned Felony crimes involving assault, robbery, theft, embezzlement, fraud, police misconduct, voter fraud and public corruption. Additionally, CID Detectives investigate instances of animal abuse, gambling, Small Games of Chance violations, and Precious Metal Act violations. CID Detectives also review and, if necessary, investigate allegations made by citizens of Lawrence County filing private criminal complaints under rule 506 of the Pennsylvania Rules of Criminal Procedure.

DIVISION PERSONNEL

Vincent Martwinski, Captain
Phone: 724-656-1915
Fax: 724-656-1986
E-mail: vmartwinski@co.lawrence.pa.us

Captain Martwinski is responsible for the administration and day-to-day operation of the Lawrence County District Attorney’s Criminal Investigation Division. Captain Martwinski is charged with carrying out the established policies and procedures of the District Attorney of Lawrence County and coordinates investigative efforts between the CID and all cooperating law enforcement agencies. Captain Martwinski is assigned to investigate and prosecute complex major crimes and coordinates all cases between the District Attorney’s Office and local law enforcement. Captain Martwinski is the administrating officer for the Lawrence County District Attorney’s Sexual Assault / Child Abuse Task Force. Captain Martwinski maintains Class “A” Wiretapping and Electronic Surveillance certification.

Matthew Vanasco, Detective
Phone: 724-656-1915
Fax: 724-656-1986
E-mail: mvanasco@co.lawrence.pa.us

Detective Vanasco is responsible for the investigation of assigned cases of homicide, assault, robbery, theft, embezzlement, fraud, sexual abuse, domestic violence, animal abuse and neglect. Additionally, Detective Vanasco is responsible for monitoring the Precious Metal Registry and Bad Check Program. He is a member of the Sexual Assault / Child Abuse Task Force and is a registered MPOETC Firearms Instructor as well as an advanced crime scene investigator.

Mathew Seamans, Detective
Phone: 724-656-1915
Fax: 724-656-1986
E-mail: mseamans@co.lawrence.pa.us

Detective Seamans is responsible for the investigation of assigned cases of homicide, assault, robbery, theft, embezzlement, fraud, sexual abuse, domestic violence, gambling and Small Games of Chance violations. Additionally, Detective Seamans is a member of the Sexual Assault / Child Abuse Task Force and is an advanced crime scene investigator.

Matthew Langdon, Detective
Phone: 724-656-1915
Fax: 724-656-1986
E-mail: mlangdon@co.lawrence.pa.us

Detective Langdon is presently assigned to the Lawrence County Corrections Department and serves as an Intelligence Officer and liaison between the corrections department, the DA’s Criminal Investigations Division, the DA’s Special Investigations Unit, and the District Attorney’s Office prosecutors.