I tried the letters Aja extracted from the poem 
Aja wrote:HJMSMWPJYHMPPTFTMPCAESPASPAECTLLATWK 
to vigenere decrypt the gobbledygook from Craigs list and got - you guessed it, more gobbledygook!  
 
 
ZHNNDGKSVGGFTNKYAZWRGEHHDVUZNKPASMZHAPJGXYTAPFVJXFNMNXXEHODMHMAGIASTMOWNWXTSTAGD  
MNXFNVWXGEQODZOZHGPALTTQWPWKRLTANWZJXYWTUKELHODMUTHEPAYZTOANJXRLZATWTAXHUTWRXEHQ  
MZHZAGVCUVMHUGWGTUMTGWMAKHAZWRXEHHQVQMAGRTYMMHNGJGKUTCPFTNEFUVATXRUHQTOTNXPASTZO  
NTFXXSTGNWVHKYNZAXXRQOMZOZAKVGLMTQUGFKRSVTTJTAGYWTUTERQUQMOTNEICUMMUUTDKKLMTPJVJ  
GHATUXELQUDMQMJGPALZTHANJGRUMTGWTHELNMWKKNHODZHZNGVCYZMONGDXTUVGGJMAKFWZWTKRUQKT  
UTNGPAUMVUAGFKTUZCNWTJEHNTNKGEQOQTOMNERTLZZHNTDKKSVTPDVJELNVUTEROOKTUVHXRTLTVUAN  
WKXUTTTDVHKYUTARKLOHDTHZJEVTYVMUWPDXRSVCNWZHKYATNRENOQDZQZNGRASVMHUPWXTLZAPDTJKF  
NVAXERUOMVUTHKVAYVMOUPFKTLMTGWMNGFWTUTEEUUQZUTAGPTYMTOWGFKTUMTTDMJKYNZAXELQQQZOZ  
JXVASMZOUTFGRLTCPDTHGLUVARKNUHQTQTJGPCYTMUWPWKKSZCNDMNKHUTWRENUHDZQZJEPAUMTHNNDG  
KYZCTDTJXFWMNRGEQHKZQMAGRCYZVOUPDEKLTAGDZHGYAZUKKROUQVUZHXPASZMHAPDKXSVCNFMAGYAV  
ATXNUUMVQMAGRGYVMUAPWKXLMTNWMNGYATNRELHQDZUTNGRGYMZOAPJXXYZTPWVNGLAMUKGLHHQVOZJE  
RTYZZUWPDKRLZGGDTNGHWMWTGRHODVUMHKITSMVHUPDGXSVGTJZHKYWTAXGLOQDTHZNEIGSTVUUNDXRY  
TCNJTAGLWMARKLHOQZHZJGICSVMUUGWERYVAGWZNXFUVNXXNOUKVQTHKITLTVHWNWEKSMAPWMAELUMNX  
EEHHKVQVJKVTLZTHUNWGRYTANDZJGHWTURELQOQZOTNEITYMTHUNJGRSTTNWMAEFUMNXXLOOMZHMHEIA  
LMMHAGWERSTTGFZJKYNTURXEHHDZHMHEPTUTZQNPDXKLMTGDTJGFUMUXKNQUKTOMJKVCSTTONPFGKLTT  
NDTAGFUTUXELHOQVQVNEVALTZUAGWKRYMGGWZAXHWTAKXEUUKTQTHKPGLVVOWGDXKSTATDTJKYAZUTXN  
QOKVUMJEPAYZZQANDERSVCTWVAEYWTAXKNUODZUVJGPCLTVUNTDETUTTPDVJGFUTNTELUHDMHMAKVGYM  
VUUTJXXUVGGDTHKHUVNRELHQQZOTJGRTSTTUATDKTUVCPJTAXYUZUXGEHUKVUZNKPASZVUUNFKKYZCTD  
ZHEFAZURKRUOKZOTHKRGSTTUANJGXYZCTFMHKLAVATXRUQKTUMNXPGUZZHWNFKTLZCTFZAEFWVUTGLQO  
MVQZJGVCYVMHUNWKTYVCTFMHGFAZATKNUHKTOTNKPTUMTUAGJERYTTPFMAXYNZUKELHQDVOMNERCSTTO  
NPFGKLTAPJMNELNMNKGRHHMVOVAKPGUZMQUTDGTUVGGDZHEFUZUKGLOOQZOMJXICLMZOANWGTLMTGWMA  
GYAVATKEOODVHZJXVCLMZQUNDGRSTANDTJGFWVATXLQQKZQZNXVGLMMUNGWKTUZGNWVHELUZWKENQOKV  
HVAXITLVVUUNJKKSTCGJZJXYWTATEROUMZQTNEIAUVTOUGDGKYMTPWMJXFAMAKERQQQMOZAXPGYVVOWP  
DGKLVANJTHGYWMAKERQOMVUVJXPCSMTQWGFKTLVTTFMHEYWVNXXEOQMTUMNKRTYVMUWPDKKYZCTDMHEL  
NVAKKEQHDTQVNKVTLZZOWGFERYTCTDMHKYNTWTKROHKTUZJKRAYVZUNPJKXUMGNDVNKLAZAKXNUHQVOV  
HGPGUVVOAPWXXYTGPJTHGLUVWKENOQMZOTJXVAYTMOWPWETSZCTWZHKHNTNXEROOKZQZJGPCYVMHWPFK  
RSZGTDZHEFAZWXKLQOQZHTAGRGYMTOAPJKTSZGTWVNKFUVUXKLUOQVUVHGVAYZZOAPWXTUTGTJZNEFUV  
ATGEUUDTHVAXIALTZHWPWKKUZGTWMAGLWVUTGEQHQTQMAKPGUZMQANWXKLMGGJTAKHNVAKGLUUQZUZJK  
VAYVVHUGJKRSTANFZJGFAVURGRQUQVQMAXITSVZUNGFGKYZCPWMAXLWMAXGNHHDMUVAGPCSMZHUNWKKY  
TGGWTNGYWTWKGLHHKZUVHGRCUTZUWGWXRUTCGWMHXLWMNTGRUQDVUMHXVTLZMUNTJERLMGGJTNGLATNR  
ENOODMHVHGPCSZZOUNFEXUMAGJTJGFNZUKXLQUMVOTNGIAUZMOUGDGXSVTPDVAEYUZAXGLUODVHMJKPA  
LZVONPJGXUZCNFVNXFWZNTXNUOQZOTAXRTSVMUWGFXXLMAPWVAXYAVNRGLQHQTQTAKITLZMUUTWKRSTC  
NFTHEYWMAXGNHOMTHZJERALVVOUNJETSVATWTNKYWMURENOQKTOZAXPGLZMHNTWETSZTPDVHXHAMNKGE  
QODMUMJXRGLVTHNNFKRSMTPFMNGFAZUKEEQHQZOMJGPCYTTUWGWGTUTTTJMNEHAMWRGNUUDMQMHKPTSV  
VHUTJXXSZCGFMNKYUVWTXNHOQMQTHKVCUMTHUTWKRYMCTWTAXFWZARGEUUMVUMJKITLMTQUNFKKUZTTD  
VAKLATURENQQDZUVNXIAUVVOUPWXRSMCTFVAXLWTATENOHMVQVJXITUZVQUTFXXYVGGDTAELWZURKLUU  
MVQZJERCYTMQAPFGKLVCPDTJELNMATKNOUMVHZHEIGYVZOUGJKTYVTGFZJXYAZNREEOOKZQVJKRTLVZU  
WTJKTLMTGWMAX