The Economic Sciences student who had been arrested last August 10 in an apartment in Las Cañitas on suspicion of being the "recruiter" of girls whom he then inserted cocaine capsules into their bodies to traffic them to Europe, will continue to be detained after that a judge rejected a request for release and stated in his resolution that the accused offered $100 to the "mules" so that they could find friends to transport the drugs.   Judicial sources assured Télam that it is Cristian Ariel Maceri, a 33-year-old man whom Economic Criminal Judge Marcelo Aguinsky accuses of being the author of the crime of "drug smuggling for marketing" as a supplier, in a cause that became known last July when a 21-year-old girl was detected at the Ezeiza International Airport with 78 capsules with cocaine in her stomach, intestine and even in her vagina.   Within the framework of the case, in addition to Maceri, the two young women called "mules" aged 19 and 21 who were ingested with capsules were arrested (and later released), one of whom managed to travel to Spain and deliver the drug and the another was detained at the airport, when she was about to board a flight to Barcelona.   Meanwhile, one of the bosses of the narcocriminal organization, a Bolivian citizen named Luis Loza Quiroga, alias "Blas", who is presumed to be the supplier of the cocaine trafficked by the " mules."   The judge's arguments  Judge Aguinsky signed last Thursday the rejection of the request for release that had been made by Maceri's official defender, and in this way he agreed with the prosecutor in charge of the case, Emilio Guerberoff, who had also opposed in a ruling that he be released