The next month , they released Gianni in exchange for about $2 million .
In March 1975 , Gianni made international news when he was abducted by masked men armed with pistols who demanded a $16 million ransom for his release .
The next month , men released Gianni in exchange for about $2 million .
In March 1975 , Gianni made international news when he was abducted by masked men armed with pistols who demanded a $16 million ransom for his release .