Sancho was born in New York City to Puerto Rican parents and raised in Columbus, Ohio.

[7] In the 2000 presidential recount, Sancho (No Party Affiliation) was chosen to lead the Florida hand count of ballots in dispute in Miami-Dade County.

Later the Court ruled 5–4 that no constitutionally valid recount could be completed by a December 12 "safe harbor" deadline.

In 2005, Sancho invited Bev Harris, founder of Black Box Voting, Kathleen Wynne, Black Box Voting Associate Director, Harri Hursti, computer programmer and security expert, Dr. Hugh Thompson, application security expert and Ph.D. in math, Susan Bernecker, former Republican candidate for New Orleans city council and Susan Pynchon, Director of Florida Fair Elections Coalition to Tallahassee.

Elections officials in the states of Maryland, North Carolina, Texas, and California have called into question the security and accuracy of new voting machines.

It was designed for the era of mechanical machines, and it hasn't kept up.After the test election, Secretary of State Sue Cobb (R) accused Sancho of "undermining voter confidence" and the Federal Government and demanded the return of a $564,000 in grant money given to Sancho through the state to purchase voting machines that would comply with ADA standards as mandated in the Help America Vote Act[9] (HAVA), a United States federal law passed on October 29, 2002.

On March 8, 2006 Sancho initiated legal proceedings against Diebold Election Systems for breach of contract.

Further, Diebold refused to sell Leon County touch-screen voting machines to meet state and federal requirements for disabled accessibility.