Adjustment of Status - I-485

Arrived from Grenada Feb. 1997, I.O. stamped I-94 Paroled exclusion hearing Aug. 1997(6 months) served I-122. Invalid documents 245(a)(i)(7) although I presented the I.O. with a multiple entry Grenadian PP and visa expiry 2006. At the time I was married to U.S.C.. Went to Aug. 1997 hearing with U.S.C. husband and filed I-122 and surrendered PP and visa. Hearing adjourned until Oct. 1997. Husband became incarcerated in between hearing dates. Didn't go back, panicked.(extraordinary circumstances?) Apparently exclusion and/or removal order was ordered in absentia by I.J. Here may be the catch. Originally arrived to U.S. in 1996 B1/B2 multiple entry Grenadian PP and visa expiry 2006, entry no problems, L.O.S. stamped 6 months. Had a long distance courtship with a U.S.C., married him in September 1996. He was incarcerated, getting out in January 1997. December 1996 unknowingly entered Canada with some friends one night, as I fell asleep in van, didn't have PP with me disallowed reentry to U.S. at border. Returned to Canada and detained by Canadian Customs. Friend brought PP and marriage certificate to me at detention center. Canadian Customs showed this to U.S. Customs at border but during detainment I-94 LOS expired. Deported from Canada due to "no visible means of support" returned to Grenada. Traveled to Barbados and Trinidad on same PP(no visa required) no problem. So what triggered I.O. to parole me for exclusion hearing upon reentry in 1997? Advance parole was not required because no AOS had been filed before I departed. Because I was deported from Canada there is no record of departure from U.S.? Left U.S. before LOS expired but no record of departure? U.S. may think I overstayed? HELP? Divorced and then remarried U.S.C. in 2000 and have 2 children and a good life but want to get green card and not live in fear of removal. PLEASE HELP. Thank you.