>> reporter: take the cocaine and turn it into a building? >> yeah. >> reporter: how do you know. >> i saw it happening. >> reporter: this booming market the trump organization was entering plans seen in this marketing el strags, tallest in latin america at the time with a mix of hotel rooms and high-end condos all on a plot of land owned by a small time local businessman, roger kafif, the buildings main builder. ivanka met the team. >> my company would be selling the united nations art according to ventura, ivanka was planning to pre-sell units around $120,000 each. ventura said he could tell them for a lot more. >> reporter: what did she say? >> happy with that, but can you sell it at that price? i said, yes. the agreement, i had a week to sell 100 units. >> reporter: how did you them them in a week? >> easy to stell in fact with