“The police!” Sara retorted bitterly. “Their only interest is in piling up more evidence against Burt!”

“Your brother knows the identity of the saboteur?”

“He won’t tell me, but I think he does have an idea who blew up the bridge.”

Penny scarcely knew whether or not to accept Sara’s explanation of her brother’s activities. Unquestionably, the girl believed that he was innocent of all charges against him. For one not prejudiced in his favor, there were many factors to be considered. Why had Burt denied losing the leather billfold? And with whom had he kept the Tuesday night appointment at The Green Parrot?

“If your brother has any clue regarding the real saboteur, he should present his evidence to the police,” Penny advised Sara.

“He’ll never do that until he’s ready to appear in court. Not after the way the police treated him.”

Penny realized that nothing was to be gained by discussing the matter further with Sara. Offering a few polite remarks to the effect that she hoped Burt would soon recover completely from his injury, she drove away.

Later, in repeating the conversation to her father, she declared that she could not make up her mind regarding Burt Ottman’s guilt.

“The case does have interesting angles,” Mr. Parker acknowledged. “I talked to the Police Commissioner this morning about The Green Parrot. The place long has had a reputation for cheating customers, and lately it’s been under suspicion as a rendezvous for anti-American groups.”

“That would fit in with what the bakery woman told us. What became of The Green Parrot, Dad? Have the police been able to trace it to a new location?”