Biography
Alfredo Lopez was a Puerto Rican Socialist Party Central Committee member and a coordinator of the July 4th Coalition. In 1976 he was threatened with a federal grand-jury subpoena during an investigation of Puerto Rican independence activists. The sources reviewed do not show that the threatened subpoena resulted in his arrest, booking or imprisonment.
In May 1976, Lopez was the national coordinator of the July 4 Coalition and a leader of the Puerto Rican Socialist Party. At a May 28 news conference he denounced FBI visits to independence activists and their families and employers as an effort to disrupt the planned Philadelphia demonstration.
The Militant, volume 40 number 23, June 11, 1976, PDF page 7.