21.   The arrival of the investigator handling their case heightened speculation police were looking for their bodies.

22.   The most recent blazes promised to intensify their concerns, as well as heighten speculation about possible arson.

23.   The jobs report heightened speculation among analysts of an impending recession, defined as two consecutive quarters of economic decline.

24.   The two women met earlier Thursday, heightening speculation that Pisonero would get the job.

25.   The sudden withdrawal of weapons inspectors and other U.N. personnel heightened speculation that the U.S. would launch airstrikes in the next few days.

26.   The warning heightened speculation that Baghdad may be the next target of a U.S. strike after the war in Afghanistan.

27.   A high-ranking Myanmar junta official makes a rare visit to her home, heightening speculation she would soon be freed.

28.   Berlusconi also asked for an immediate suspension of the parliamentary debate, heightening speculation over his impending resignation.

29.   But Prime Minister Kang Song-San was missing from the line-up, heightening speculation here that his health was failing.