Syneos Health Clinical Research Associate interview questions

The hiring process went unexpectedly well, the application, 1st and 2nd interview within 2 weeks, the recruiter sent me a message after the 2nd interview that the feedback is positive, they will send the offer during the next week. ( she was very enthusiastic and continually informed me until this point, I planned to congratulate her regardless I will accept the offer or not) however after that she disappeared for 2 weeks…finally when I was really unstatisfied with promises I sent an email to her about I would be glad if she could at least inform me if they hires another person…. Disappointing… they are the first impressions for a candidate, they must need to do the same thing?