
Republican · Arizona's 5th District · 2026
Mark Lamb
Lamb was born in Hawaii and finished school in Chandler before building his career in Arizona law enforcement.
Biography
Mark Lamb and his wife, Janel, raised five children in San Tan Valley, after a childhood that began in Hawaii and included finishing school in Chandler.1 He is also a grandfather and describes family and religious faith as central parts of his life outside public office.2
Before becoming sheriff, Lamb worked as a police officer and detective, with assignments involving gangs, narcotics and criminal investigations.2 His career included investigations involving local, tribal, state and federal partners, work his campaign presents as the foundation for his emphasis on public safety and border enforcement.2
Lamb served eight years as Pinal County sheriff and became familiar beyond the county through television programs and online videos about his law enforcement work.23 His public record includes opposing pandemic mandates and describing the sheriff's role as protecting both community safety and individual constitutional rights.2
He is the Republican nominee against Democratic nurse Elizabeth Lee in the Fifth District, with President Donald Trump's endorsement.3 Lamb emphasizes immigration enforcement, action against drug and human trafficking, gun rights and restrictions on government mandates, giving voters a campaign centered on law enforcement and a limited role for government.2
Record and controversies
Misconduct allegations
In May and June 2026, women alleged that Lamb sent explicit messages and used threatened police action to deter publication; KTAR said it independently verified many messages held as public records.4 His campaign denied misconduct.5 On June 22, the county attorney closed the criminal review, saying the evidence did not establish a violation of Arizona criminal law; KTAR distinguished that limited determination from resolving personal misconduct allegations.4